9149968280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2357}}^1$

素因数の和:2509

約数の個数: 128

約数和(自身を含む): 21999574080

約数和(自身を除く): 12849605800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 61, 74, 86, 122, 148, 172, 185, 215, 244, 296, 305, 344, 370, 430, 488, 610, 740, 860, 1220, 1480, 1591, 1720, 2257, 2357, 2440, 2623, 3182, 4514, 4714, 5246, 6364, 7955, 9028, 9428, 10492, 11285, 11785, 12728, 13115, 15910, 18056, 18856, 20984, 22570, 23570, 26230, 31820, 45140, 47140, 52460, 63640, 87209, 90280, 94280, 97051, 101351, 104920, 143777, 174418, 194102, 202702, 287554, 348836, 388204, 405404, 436045, 485255, 506755, 575108, 697672, 718885, 776408, 810808, 872090, 970510, 1013510, 1150216, 1437770, 1744180, 1941020, 2027020, 2875540, 3488360, 3749987, 3882040, 4054040, 5319749, 5751080, 6182411, 7499974, 10639498, 12364822, 14999948, 18749935, 21278996, 24729644, 26598745, 29999896, 30912055, 37499870, 42557992, 49459288, 53197490, 61824110, 74999740, 106394980, 123648220, 149999480, 212789960, 228749207, 247296440, 457498414, 914996828, 1143746035, 1829993656, 2287492070, 4574984140, 9149968280]

約数ペア:

[(1, 9149968280), (2, 4574984140), (4, 2287492070), (5, 1829993656), (8, 1143746035), (10, 914996828), (20, 457498414), (37, 247296440), (40, 228749207), (43, 212789960), (61, 149999480), (74, 123648220), (86, 106394980), (122, 74999740), (148, 61824110), (172, 53197490), (185, 49459288), (215, 42557992), (244, 37499870), (296, 30912055), (305, 29999896), (344, 26598745), (370, 24729644), (430, 21278996), (488, 18749935), (610, 14999948), (740, 12364822), (860, 10639498), (1220, 7499974), (1480, 6182411), (1591, 5751080), (1720, 5319749), (2257, 4054040), (2357, 3882040), (2440, 3749987), (2623, 3488360), (3182, 2875540), (4514, 2027020), (4714, 1941020), (5246, 1744180), (6364, 1437770), (7955, 1150216), (9028, 1013510), (9428, 970510), (10492, 872090), (11285, 810808), (11785, 776408), (12728, 718885), (13115, 697672), (15910, 575108), (18056, 506755), (18856, 485255), (20984, 436045), (22570, 405404), (23570, 388204), (26230, 348836), (31820, 287554), (45140, 202702), (47140, 194102), (52460, 174418), (63640, 143777), (87209, 104920), (90280, 101351), (94280, 97051)]