220999240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{593}}^1$

素因数の和:644

約数の個数: 128

約数和(自身を含む): 626123520

約数和(自身を除く): 405124280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 121, 140, 154, 220, 242, 280, 308, 385, 440, 484, 593, 605, 616, 770, 847, 968, 1186, 1210, 1331, 1540, 1694, 2372, 2420, 2662, 2965, 3080, 3388, 4151, 4235, 4744, 4840, 5324, 5930, 6523, 6655, 6776, 8302, 8470, 9317, 10648, 11860, 13046, 13310, 16604, 16940, 18634, 20755, 23720, 26092, 26620, 32615, 33208, 33880, 37268, 41510, 45661, 46585, 52184, 53240, 65230, 71753, 74536, 83020, 91322, 93170, 130460, 143506, 166040, 182644, 186340, 228305, 260920, 287012, 358765, 365288, 372680, 456610, 502271, 574024, 717530, 789283, 913220, 1004542, 1435060, 1578566, 1826440, 2009084, 2511355, 2870120, 3157132, 3946415, 4018168, 5022710, 5524981, 6314264, 7892830, 10045420, 11049962, 15785660, 20090840, 22099924, 27624905, 31571320, 44199848, 55249810, 110499620, 220999240]

約数ペア:

[(1, 220999240), (2, 110499620), (4, 55249810), (5, 44199848), (7, 31571320), (8, 27624905), (10, 22099924), (11, 20090840), (14, 15785660), (20, 11049962), (22, 10045420), (28, 7892830), (35, 6314264), (40, 5524981), (44, 5022710), (55, 4018168), (56, 3946415), (70, 3157132), (77, 2870120), (88, 2511355), (110, 2009084), (121, 1826440), (140, 1578566), (154, 1435060), (220, 1004542), (242, 913220), (280, 789283), (308, 717530), (385, 574024), (440, 502271), (484, 456610), (593, 372680), (605, 365288), (616, 358765), (770, 287012), (847, 260920), (968, 228305), (1186, 186340), (1210, 182644), (1331, 166040), (1540, 143506), (1694, 130460), (2372, 93170), (2420, 91322), (2662, 83020), (2965, 74536), (3080, 71753), (3388, 65230), (4151, 53240), (4235, 52184), (4744, 46585), (4840, 45661), (5324, 41510), (5930, 37268), (6523, 33880), (6655, 33208), (6776, 32615), (8302, 26620), (8470, 26092), (9317, 23720), (10648, 20755), (11860, 18634), (13046, 16940), (13310, 16604)]