389756800

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3929}}^1$

素因数の和:3984

約数の個数: 96

約数和(自身を含む): 994132800

約数和(自身を除く): 604376000

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, 310, 320, 400, 496, 620, 640, 775, 800, 992, 1240, 1550, 1600, 1984, 2480, 3100, 3200, 3929, 3968, 4960, 6200, 7858, 9920, 12400, 15716, 19645, 19840, 24800, 31432, 39290, 49600, 62864, 78580, 98225, 99200, 121799, 125728, 157160, 196450, 243598, 251456, 314320, 392900, 487196, 502912, 608995, 628640, 785800, 974392, 1217990, 1257280, 1571600, 1948784, 2435980, 2514560, 3044975, 3143200, 3897568, 4871960, 6089950, 6286400, 7795136, 9743920, 12179900, 12572800, 15590272, 19487840, 24359800, 38975680, 48719600, 77951360, 97439200, 194878400, 389756800]

約数ペア:

[(1, 389756800), (2, 194878400), (4, 97439200), (5, 77951360), (8, 48719600), (10, 38975680), (16, 24359800), (20, 19487840), (25, 15590272), (31, 12572800), (32, 12179900), (40, 9743920), (50, 7795136), (62, 6286400), (64, 6089950), (80, 4871960), (100, 3897568), (124, 3143200), (128, 3044975), (155, 2514560), (160, 2435980), (200, 1948784), (248, 1571600), (310, 1257280), (320, 1217990), (400, 974392), (496, 785800), (620, 628640), (640, 608995), (775, 502912), (800, 487196), (992, 392900), (1240, 314320), (1550, 251456), (1600, 243598), (1984, 196450), (2480, 157160), (3100, 125728), (3200, 121799), (3929, 99200), (3968, 98225), (4960, 78580), (6200, 62864), (7858, 49600), (9920, 39290), (12400, 31432), (15716, 24800), (19645, 19840)]