208994940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1$

素因数の和:937

約数の個数: 288

約数和(自身を含む): 837817344

約数和(自身を除く): 628822404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 17, 18, 20, 21, 22, 28, 30, 33, 34, 35, 36, 42, 44, 45, 51, 55, 60, 63, 66, 68, 70, 77, 84, 85, 90, 99, 102, 105, 110, 119, 126, 132, 140, 153, 154, 165, 170, 180, 187, 198, 204, 210, 220, 231, 238, 252, 255, 306, 308, 315, 330, 340, 357, 374, 385, 396, 420, 462, 476, 495, 510, 561, 595, 612, 630, 660, 693, 714, 748, 765, 770, 887, 924, 935, 990, 1020, 1071, 1122, 1155, 1190, 1260, 1309, 1386, 1428, 1530, 1540, 1683, 1774, 1785, 1870, 1980, 2142, 2244, 2310, 2380, 2618, 2661, 2772, 2805, 3060, 3366, 3465, 3548, 3570, 3740, 3927, 4284, 4435, 4620, 5236, 5322, 5355, 5610, 6209, 6545, 6732, 6930, 7140, 7854, 7983, 8415, 8870, 9757, 10644, 10710, 11220, 11781, 12418, 13090, 13305, 13860, 15079, 15708, 15966, 16830, 17740, 18627, 19514, 19635, 21420, 23562, 24836, 26180, 26610, 29271, 30158, 31045, 31932, 33660, 37254, 39028, 39270, 39915, 45237, 47124, 48785, 53220, 55881, 58542, 58905, 60316, 62090, 68299, 74508, 75395, 78540, 79830, 87813, 90474, 93135, 97570, 105553, 111762, 117084, 117810, 124180, 135711, 136598, 146355, 150790, 159660, 165869, 175626, 180948, 186270, 195140, 204897, 211106, 223524, 226185, 235620, 271422, 273196, 279405, 292710, 301580, 316659, 331738, 341495, 351252, 372540, 409794, 422212, 439065, 452370, 497607, 527765, 542844, 558810, 585420, 614691, 633318, 663476, 678555, 682990, 819588, 829345, 878130, 904740, 949977, 995214, 1024485, 1055530, 1117620, 1161083, 1229382, 1266636, 1357110, 1365980, 1492821, 1583295, 1658690, 1756260, 1899954, 1990428, 2048970, 2111060, 2322166, 2458764, 2488035, 2714220, 2985642, 3073455, 3166590, 3317380, 3483249, 3799908, 4097940, 4644332, 4749885, 4976070, 5805415, 5971284, 6146910, 6333180, 6966498, 7464105, 9499770, 9952140, 10449747, 11610830, 12293820, 13932996, 14928210, 17416245, 18999540, 20899494, 23221660, 29856420, 34832490, 41798988, 52248735, 69664980, 104497470, 208994940]

約数ペア:

[(1, 208994940), (2, 104497470), (3, 69664980), (4, 52248735), (5, 41798988), (6, 34832490), (7, 29856420), (9, 23221660), (10, 20899494), (11, 18999540), (12, 17416245), (14, 14928210), (15, 13932996), (17, 12293820), (18, 11610830), (20, 10449747), (21, 9952140), (22, 9499770), (28, 7464105), (30, 6966498), (33, 6333180), (34, 6146910), (35, 5971284), (36, 5805415), (42, 4976070), (44, 4749885), (45, 4644332), (51, 4097940), (55, 3799908), (60, 3483249), (63, 3317380), (66, 3166590), (68, 3073455), (70, 2985642), (77, 2714220), (84, 2488035), (85, 2458764), (90, 2322166), (99, 2111060), (102, 2048970), (105, 1990428), (110, 1899954), (119, 1756260), (126, 1658690), (132, 1583295), (140, 1492821), (153, 1365980), (154, 1357110), (165, 1266636), (170, 1229382), (180, 1161083), (187, 1117620), (198, 1055530), (204, 1024485), (210, 995214), (220, 949977), (231, 904740), (238, 878130), (252, 829345), (255, 819588), (306, 682990), (308, 678555), (315, 663476), (330, 633318), (340, 614691), (357, 585420), (374, 558810), (385, 542844), (396, 527765), (420, 497607), (462, 452370), (476, 439065), (495, 422212), (510, 409794), (561, 372540), (595, 351252), (612, 341495), (630, 331738), (660, 316659), (693, 301580), (714, 292710), (748, 279405), (765, 273196), (770, 271422), (887, 235620), (924, 226185), (935, 223524), (990, 211106), (1020, 204897), (1071, 195140), (1122, 186270), (1155, 180948), (1190, 175626), (1260, 165869), (1309, 159660), (1386, 150790), (1428, 146355), (1530, 136598), (1540, 135711), (1683, 124180), (1774, 117810), (1785, 117084), (1870, 111762), (1980, 105553), (2142, 97570), (2244, 93135), (2310, 90474), (2380, 87813), (2618, 79830), (2661, 78540), (2772, 75395), (2805, 74508), (3060, 68299), (3366, 62090), (3465, 60316), (3548, 58905), (3570, 58542), (3740, 55881), (3927, 53220), (4284, 48785), (4435, 47124), (4620, 45237), (5236, 39915), (5322, 39270), (5355, 39028), (5610, 37254), (6209, 33660), (6545, 31932), (6732, 31045), (6930, 30158), (7140, 29271), (7854, 26610), (7983, 26180), (8415, 24836), (8870, 23562), (9757, 21420), (10644, 19635), (10710, 19514), (11220, 18627), (11781, 17740), (12418, 16830), (13090, 15966), (13305, 15708), (13860, 15079)]