398917680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2351}}^1$

素因数の和:2475

約数の個数: 160

約数和(自身を含む): 1427908608

約数和(自身を除く): 1028990928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 101, 105, 112, 120, 140, 168, 202, 210, 240, 280, 303, 336, 404, 420, 505, 560, 606, 707, 808, 840, 1010, 1212, 1414, 1515, 1616, 1680, 2020, 2121, 2351, 2424, 2828, 3030, 3535, 4040, 4242, 4702, 4848, 5656, 6060, 7053, 7070, 8080, 8484, 9404, 10605, 11312, 11755, 12120, 14106, 14140, 16457, 16968, 18808, 21210, 23510, 24240, 28212, 28280, 32914, 33936, 35265, 37616, 42420, 47020, 49371, 56424, 56560, 65828, 70530, 82285, 84840, 94040, 98742, 112848, 131656, 141060, 164570, 169680, 188080, 197484, 237451, 246855, 263312, 282120, 329140, 394968, 474902, 493710, 564240, 658280, 712353, 789936, 949804, 987420, 1187255, 1316560, 1424706, 1662157, 1899608, 1974840, 2374510, 2849412, 3324314, 3561765, 3799216, 3949680, 4749020, 4986471, 5698824, 6648628, 7123530, 8310785, 9498040, 9972942, 11397648, 13297256, 14247060, 16621570, 18996080, 19945884, 24932355, 26594512, 28494120, 33243140, 39891768, 49864710, 56988240, 66486280, 79783536, 99729420, 132972560, 199458840, 398917680]

約数ペア:

[(1, 398917680), (2, 199458840), (3, 132972560), (4, 99729420), (5, 79783536), (6, 66486280), (7, 56988240), (8, 49864710), (10, 39891768), (12, 33243140), (14, 28494120), (15, 26594512), (16, 24932355), (20, 19945884), (21, 18996080), (24, 16621570), (28, 14247060), (30, 13297256), (35, 11397648), (40, 9972942), (42, 9498040), (48, 8310785), (56, 7123530), (60, 6648628), (70, 5698824), (80, 4986471), (84, 4749020), (101, 3949680), (105, 3799216), (112, 3561765), (120, 3324314), (140, 2849412), (168, 2374510), (202, 1974840), (210, 1899608), (240, 1662157), (280, 1424706), (303, 1316560), (336, 1187255), (404, 987420), (420, 949804), (505, 789936), (560, 712353), (606, 658280), (707, 564240), (808, 493710), (840, 474902), (1010, 394968), (1212, 329140), (1414, 282120), (1515, 263312), (1616, 246855), (1680, 237451), (2020, 197484), (2121, 188080), (2351, 169680), (2424, 164570), (2828, 141060), (3030, 131656), (3535, 112848), (4040, 98742), (4242, 94040), (4702, 84840), (4848, 82285), (5656, 70530), (6060, 65828), (7053, 56560), (7070, 56424), (8080, 49371), (8484, 47020), (9404, 42420), (10605, 37616), (11312, 35265), (11755, 33936), (12120, 32914), (14106, 28280), (14140, 28212), (16457, 24240), (16968, 23510), (18808, 21210)]