198209970

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 256

約数和(自身を含む): 663552000

約数和(自身を除く): 465342030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 31, 34, 35, 42, 45, 51, 54, 62, 63, 70, 85, 90, 93, 102, 105, 119, 126, 135, 153, 155, 170, 186, 189, 199, 210, 217, 238, 255, 270, 279, 306, 310, 315, 357, 378, 398, 434, 459, 465, 510, 527, 558, 595, 597, 630, 651, 714, 765, 837, 918, 930, 945, 995, 1054, 1071, 1085, 1190, 1194, 1302, 1393, 1395, 1530, 1581, 1674, 1785, 1791, 1890, 1953, 1990, 2142, 2170, 2295, 2635, 2786, 2790, 2985, 3162, 3213, 3255, 3383, 3570, 3582, 3689, 3906, 4179, 4185, 4590, 4743, 5270, 5355, 5373, 5859, 5970, 6169, 6426, 6510, 6766, 6965, 7378, 7905, 8358, 8370, 8955, 9486, 9765, 10149, 10710, 10746, 11067, 11718, 12338, 12537, 13930, 14229, 15810, 16065, 16915, 17910, 18445, 18507, 19530, 20298, 20895, 22134, 23681, 23715, 25074, 26865, 28458, 29295, 30447, 30845, 32130, 33201, 33830, 36890, 37014, 37611, 41790, 43183, 47362, 47430, 50745, 53730, 55335, 55521, 58590, 60894, 61690, 62685, 66402, 71043, 71145, 75222, 86366, 91341, 92535, 99603, 101490, 104873, 110670, 111042, 118405, 125370, 129549, 142086, 142290, 152235, 166005, 166563, 182682, 185070, 188055, 199206, 209746, 213129, 215915, 236810, 259098, 277605, 304470, 314619, 332010, 333126, 355215, 376110, 388647, 426258, 431830, 456705, 498015, 524365, 555210, 629238, 639387, 647745, 710430, 734111, 777294, 832815, 913410, 943857, 996030, 1048730, 1065645, 1165941, 1278774, 1295490, 1468222, 1573095, 1665630, 1887714, 1943235, 2131290, 2202333, 2331882, 2831571, 3146190, 3196935, 3670555, 3886470, 4404666, 4719285, 5663142, 5829705, 6393870, 6606999, 7341110, 9438570, 11011665, 11659410, 13213998, 14157855, 19820997, 22023330, 28315710, 33034995, 39641994, 66069990, 99104985, 198209970]

約数ペア:

[(1, 198209970), (2, 99104985), (3, 66069990), (5, 39641994), (6, 33034995), (7, 28315710), (9, 22023330), (10, 19820997), (14, 14157855), (15, 13213998), (17, 11659410), (18, 11011665), (21, 9438570), (27, 7341110), (30, 6606999), (31, 6393870), (34, 5829705), (35, 5663142), (42, 4719285), (45, 4404666), (51, 3886470), (54, 3670555), (62, 3196935), (63, 3146190), (70, 2831571), (85, 2331882), (90, 2202333), (93, 2131290), (102, 1943235), (105, 1887714), (119, 1665630), (126, 1573095), (135, 1468222), (153, 1295490), (155, 1278774), (170, 1165941), (186, 1065645), (189, 1048730), (199, 996030), (210, 943857), (217, 913410), (238, 832815), (255, 777294), (270, 734111), (279, 710430), (306, 647745), (310, 639387), (315, 629238), (357, 555210), (378, 524365), (398, 498015), (434, 456705), (459, 431830), (465, 426258), (510, 388647), (527, 376110), (558, 355215), (595, 333126), (597, 332010), (630, 314619), (651, 304470), (714, 277605), (765, 259098), (837, 236810), (918, 215915), (930, 213129), (945, 209746), (995, 199206), (1054, 188055), (1071, 185070), (1085, 182682), (1190, 166563), (1194, 166005), (1302, 152235), (1393, 142290), (1395, 142086), (1530, 129549), (1581, 125370), (1674, 118405), (1785, 111042), (1791, 110670), (1890, 104873), (1953, 101490), (1990, 99603), (2142, 92535), (2170, 91341), (2295, 86366), (2635, 75222), (2786, 71145), (2790, 71043), (2985, 66402), (3162, 62685), (3213, 61690), (3255, 60894), (3383, 58590), (3570, 55521), (3582, 55335), (3689, 53730), (3906, 50745), (4179, 47430), (4185, 47362), (4590, 43183), (4743, 41790), (5270, 37611), (5355, 37014), (5373, 36890), (5859, 33830), (5970, 33201), (6169, 32130), (6426, 30845), (6510, 30447), (6766, 29295), (6965, 28458), (7378, 26865), (7905, 25074), (8358, 23715), (8370, 23681), (8955, 22134), (9486, 20895), (9765, 20298), (10149, 19530), (10710, 18507), (10746, 18445), (11067, 17910), (11718, 16915), (12338, 16065), (12537, 15810), (13930, 14229)]