253356800

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1334

約数の個数: 108

約数和(自身を含む): 647833536

約数和(自身を除く): 394476736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 620, 640, 775, 800, 992, 1240, 1277, 1280, 1550, 1600, 1984, 2480, 2554, 3100, 3200, 3968, 4960, 5108, 6200, 6385, 6400, 7936, 9920, 10216, 12400, 12770, 19840, 20432, 24800, 25540, 31925, 39587, 39680, 40864, 49600, 51080, 63850, 79174, 81728, 99200, 102160, 127700, 158348, 163456, 197935, 198400, 204320, 255400, 316696, 326912, 395870, 408640, 510800, 633392, 791740, 817280, 989675, 1021600, 1266784, 1583480, 1634560, 1979350, 2043200, 2533568, 3166960, 3958700, 4086400, 5067136, 6333920, 7917400, 8172800, 10134272, 12667840, 15834800, 25335680, 31669600, 50671360, 63339200, 126678400, 253356800]

約数ペア:

[(1, 253356800), (2, 126678400), (4, 63339200), (5, 50671360), (8, 31669600), (10, 25335680), (16, 15834800), (20, 12667840), (25, 10134272), (31, 8172800), (32, 7917400), (40, 6333920), (50, 5067136), (62, 4086400), (64, 3958700), (80, 3166960), (100, 2533568), (124, 2043200), (128, 1979350), (155, 1634560), (160, 1583480), (200, 1266784), (248, 1021600), (256, 989675), (310, 817280), (320, 791740), (400, 633392), (496, 510800), (620, 408640), (640, 395870), (775, 326912), (800, 316696), (992, 255400), (1240, 204320), (1277, 198400), (1280, 197935), (1550, 163456), (1600, 158348), (1984, 127700), (2480, 102160), (2554, 99200), (3100, 81728), (3200, 79174), (3968, 63850), (4960, 51080), (5108, 49600), (6200, 40864), (6385, 39680), (6400, 39587), (7936, 31925), (9920, 25540), (10216, 24800), (12400, 20432), (12770, 19840)]