201865720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4423}}^1$

素因数の和:4604

約数の個数: 64

約数和(自身を含む): 522385920

約数和(自身を除く): 320520200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1630, 2282, 3260, 4423, 4564, 5705, 6520, 8846, 9128, 11410, 17692, 22115, 22820, 30961, 35384, 44230, 45640, 61922, 88460, 123844, 154805, 176920, 247688, 309610, 619220, 720949, 1238440, 1441898, 2883796, 3604745, 5046643, 5767592, 7209490, 10093286, 14418980, 20186572, 25233215, 28837960, 40373144, 50466430, 100932860, 201865720]

約数ペア:

[(1, 201865720), (2, 100932860), (4, 50466430), (5, 40373144), (7, 28837960), (8, 25233215), (10, 20186572), (14, 14418980), (20, 10093286), (28, 7209490), (35, 5767592), (40, 5046643), (56, 3604745), (70, 2883796), (140, 1441898), (163, 1238440), (280, 720949), (326, 619220), (652, 309610), (815, 247688), (1141, 176920), (1304, 154805), (1630, 123844), (2282, 88460), (3260, 61922), (4423, 45640), (4564, 44230), (5705, 35384), (6520, 30961), (8846, 22820), (9128, 22115), (11410, 17692)]