388220280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12491}}^1$

素因数の和:12549

約数の個数: 128

約数和(自身を含む): 1367124480

約数和(自身を除く): 978904200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 3108, 3885, 4440, 5180, 6216, 7770, 10360, 12491, 15540, 24982, 31080, 37473, 49964, 62455, 74946, 87437, 99928, 124910, 149892, 174874, 187365, 249820, 262311, 299784, 349748, 374730, 437185, 462167, 499640, 524622, 699496, 749460, 874370, 924334, 1049244, 1311555, 1386501, 1498920, 1748740, 1848668, 2098488, 2310835, 2623110, 2773002, 3235169, 3497480, 3697336, 4621670, 5246220, 5546004, 6470338, 6932505, 9243340, 9705507, 10492440, 11092008, 12940676, 13865010, 16175845, 18486680, 19411014, 25881352, 27730020, 32351690, 38822028, 48527535, 55460040, 64703380, 77644056, 97055070, 129406760, 194110140, 388220280]

約数ペア:

[(1, 388220280), (2, 194110140), (3, 129406760), (4, 97055070), (5, 77644056), (6, 64703380), (7, 55460040), (8, 48527535), (10, 38822028), (12, 32351690), (14, 27730020), (15, 25881352), (20, 19411014), (21, 18486680), (24, 16175845), (28, 13865010), (30, 12940676), (35, 11092008), (37, 10492440), (40, 9705507), (42, 9243340), (56, 6932505), (60, 6470338), (70, 5546004), (74, 5246220), (84, 4621670), (105, 3697336), (111, 3497480), (120, 3235169), (140, 2773002), (148, 2623110), (168, 2310835), (185, 2098488), (210, 1848668), (222, 1748740), (259, 1498920), (280, 1386501), (296, 1311555), (370, 1049244), (420, 924334), (444, 874370), (518, 749460), (555, 699496), (740, 524622), (777, 499640), (840, 462167), (888, 437185), (1036, 374730), (1110, 349748), (1295, 299784), (1480, 262311), (1554, 249820), (2072, 187365), (2220, 174874), (2590, 149892), (3108, 124910), (3885, 99928), (4440, 87437), (5180, 74946), (6216, 62455), (7770, 49964), (10360, 37473), (12491, 31080), (15540, 24982)]