199458840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2351}}^1$

素因数の和:2473

約数の個数: 128

約数和(自身を含む): 690923520

約数和(自身を除く): 491464680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 101, 105, 120, 140, 168, 202, 210, 280, 303, 404, 420, 505, 606, 707, 808, 840, 1010, 1212, 1414, 1515, 2020, 2121, 2351, 2424, 2828, 3030, 3535, 4040, 4242, 4702, 5656, 6060, 7053, 7070, 8484, 9404, 10605, 11755, 12120, 14106, 14140, 16457, 16968, 18808, 21210, 23510, 28212, 28280, 32914, 35265, 42420, 47020, 49371, 56424, 65828, 70530, 82285, 84840, 94040, 98742, 131656, 141060, 164570, 197484, 237451, 246855, 282120, 329140, 394968, 474902, 493710, 658280, 712353, 949804, 987420, 1187255, 1424706, 1662157, 1899608, 1974840, 2374510, 2849412, 3324314, 3561765, 4749020, 4986471, 5698824, 6648628, 7123530, 8310785, 9498040, 9972942, 13297256, 14247060, 16621570, 19945884, 24932355, 28494120, 33243140, 39891768, 49864710, 66486280, 99729420, 199458840]

約数ペア:

[(1, 199458840), (2, 99729420), (3, 66486280), (4, 49864710), (5, 39891768), (6, 33243140), (7, 28494120), (8, 24932355), (10, 19945884), (12, 16621570), (14, 14247060), (15, 13297256), (20, 9972942), (21, 9498040), (24, 8310785), (28, 7123530), (30, 6648628), (35, 5698824), (40, 4986471), (42, 4749020), (56, 3561765), (60, 3324314), (70, 2849412), (84, 2374510), (101, 1974840), (105, 1899608), (120, 1662157), (140, 1424706), (168, 1187255), (202, 987420), (210, 949804), (280, 712353), (303, 658280), (404, 493710), (420, 474902), (505, 394968), (606, 329140), (707, 282120), (808, 246855), (840, 237451), (1010, 197484), (1212, 164570), (1414, 141060), (1515, 131656), (2020, 98742), (2121, 94040), (2351, 84840), (2424, 82285), (2828, 70530), (3030, 65828), (3535, 56424), (4040, 49371), (4242, 47020), (4702, 42420), (5656, 35265), (6060, 32914), (7053, 28280), (7070, 28212), (8484, 23510), (9404, 21210), (10605, 18808), (11755, 16968), (12120, 16457), (14106, 14140)]