400852520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{2083}}^1$

素因数の和:2394

約数の個数: 64

約数和(自身を含む): 958806720

約数和(自身を除く): 557954200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 283, 340, 566, 680, 1132, 1415, 2083, 2264, 2830, 4166, 4811, 5660, 8332, 9622, 10415, 11320, 16664, 19244, 20830, 24055, 35411, 38488, 41660, 48110, 70822, 83320, 96220, 141644, 177055, 192440, 283288, 354110, 589489, 708220, 1178978, 1416440, 2357956, 2947445, 4715912, 5894890, 10021313, 11789780, 20042626, 23579560, 40085252, 50106565, 80170504, 100213130, 200426260, 400852520]

約数ペア:

[(1, 400852520), (2, 200426260), (4, 100213130), (5, 80170504), (8, 50106565), (10, 40085252), (17, 23579560), (20, 20042626), (34, 11789780), (40, 10021313), (68, 5894890), (85, 4715912), (136, 2947445), (170, 2357956), (283, 1416440), (340, 1178978), (566, 708220), (680, 589489), (1132, 354110), (1415, 283288), (2083, 192440), (2264, 177055), (2830, 141644), (4166, 96220), (4811, 83320), (5660, 70822), (8332, 48110), (9622, 41660), (10415, 38488), (11320, 35411), (16664, 24055), (19244, 20830)]