257886090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 288

約数和(自身を含む): 896313600

約数和(自身を除く): 638427510

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 17, 18, 21, 22, 30, 33, 34, 35, 42, 45, 51, 55, 63, 66, 70, 77, 85, 90, 99, 102, 105, 110, 119, 121, 126, 153, 154, 165, 170, 187, 198, 199, 210, 231, 238, 242, 255, 306, 315, 330, 357, 363, 374, 385, 398, 462, 495, 510, 561, 595, 597, 605, 630, 693, 714, 726, 765, 770, 847, 935, 990, 995, 1071, 1089, 1122, 1155, 1190, 1194, 1210, 1309, 1386, 1393, 1530, 1683, 1694, 1785, 1791, 1815, 1870, 1990, 2057, 2142, 2178, 2189, 2310, 2541, 2618, 2786, 2805, 2985, 3366, 3383, 3465, 3570, 3582, 3630, 3927, 4114, 4179, 4235, 4378, 5082, 5355, 5445, 5610, 5970, 6171, 6545, 6567, 6766, 6930, 6965, 7623, 7854, 8358, 8415, 8470, 8955, 10149, 10285, 10710, 10890, 10945, 11781, 12342, 12537, 12705, 13090, 13134, 13930, 14399, 15246, 15323, 16830, 16915, 17910, 18513, 19635, 19701, 20298, 20570, 20895, 21890, 23562, 23681, 24079, 25074, 25410, 28798, 30447, 30646, 30855, 32835, 33830, 37026, 37213, 38115, 39270, 39402, 41790, 43197, 45969, 47362, 48158, 50745, 58905, 60894, 61710, 62685, 65670, 71043, 71995, 72237, 74426, 76230, 76615, 86394, 91938, 92565, 98505, 101490, 111639, 117810, 118405, 120395, 125370, 129591, 137907, 142086, 143990, 144474, 152235, 153230, 168553, 185130, 186065, 197010, 213129, 215985, 216711, 223278, 229845, 236810, 240790, 259182, 260491, 275814, 304470, 334917, 337106, 355215, 361185, 372130, 409343, 426258, 431970, 433422, 459690, 505659, 520982, 558195, 647955, 669834, 689535, 710430, 722370, 781473, 818686, 842765, 1011318, 1065645, 1083555, 1116390, 1228029, 1295910, 1302455, 1379070, 1516977, 1562946, 1674585, 1685530, 2046715, 2131290, 2167110, 2344419, 2456058, 2528295, 2604910, 2865401, 3033954, 3349170, 3684087, 3907365, 4093430, 4688838, 5056590, 5730802, 6140145, 7368174, 7584885, 7814730, 8596203, 11722095, 12280290, 14327005, 15169770, 17192406, 18420435, 23444190, 25788609, 28654010, 36840870, 42981015, 51577218, 85962030, 128943045, 257886090]

約数ペア:

[(1, 257886090), (2, 128943045), (3, 85962030), (5, 51577218), (6, 42981015), (7, 36840870), (9, 28654010), (10, 25788609), (11, 23444190), (14, 18420435), (15, 17192406), (17, 15169770), (18, 14327005), (21, 12280290), (22, 11722095), (30, 8596203), (33, 7814730), (34, 7584885), (35, 7368174), (42, 6140145), (45, 5730802), (51, 5056590), (55, 4688838), (63, 4093430), (66, 3907365), (70, 3684087), (77, 3349170), (85, 3033954), (90, 2865401), (99, 2604910), (102, 2528295), (105, 2456058), (110, 2344419), (119, 2167110), (121, 2131290), (126, 2046715), (153, 1685530), (154, 1674585), (165, 1562946), (170, 1516977), (187, 1379070), (198, 1302455), (199, 1295910), (210, 1228029), (231, 1116390), (238, 1083555), (242, 1065645), (255, 1011318), (306, 842765), (315, 818686), (330, 781473), (357, 722370), (363, 710430), (374, 689535), (385, 669834), (398, 647955), (462, 558195), (495, 520982), (510, 505659), (561, 459690), (595, 433422), (597, 431970), (605, 426258), (630, 409343), (693, 372130), (714, 361185), (726, 355215), (765, 337106), (770, 334917), (847, 304470), (935, 275814), (990, 260491), (995, 259182), (1071, 240790), (1089, 236810), (1122, 229845), (1155, 223278), (1190, 216711), (1194, 215985), (1210, 213129), (1309, 197010), (1386, 186065), (1393, 185130), (1530, 168553), (1683, 153230), (1694, 152235), (1785, 144474), (1791, 143990), (1815, 142086), (1870, 137907), (1990, 129591), (2057, 125370), (2142, 120395), (2178, 118405), (2189, 117810), (2310, 111639), (2541, 101490), (2618, 98505), (2786, 92565), (2805, 91938), (2985, 86394), (3366, 76615), (3383, 76230), (3465, 74426), (3570, 72237), (3582, 71995), (3630, 71043), (3927, 65670), (4114, 62685), (4179, 61710), (4235, 60894), (4378, 58905), (5082, 50745), (5355, 48158), (5445, 47362), (5610, 45969), (5970, 43197), (6171, 41790), (6545, 39402), (6567, 39270), (6766, 38115), (6930, 37213), (6965, 37026), (7623, 33830), (7854, 32835), (8358, 30855), (8415, 30646), (8470, 30447), (8955, 28798), (10149, 25410), (10285, 25074), (10710, 24079), (10890, 23681), (10945, 23562), (11781, 21890), (12342, 20895), (12537, 20570), (12705, 20298), (13090, 19701), (13134, 19635), (13930, 18513), (14399, 17910), (15246, 16915), (15323, 16830)]