40379000

素因数分解:

$2^3\times 5^3\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 95472000

約数和(自身を除く): 55093000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 149, 200, 250, 271, 298, 500, 542, 596, 745, 1000, 1084, 1192, 1355, 1490, 2168, 2710, 2980, 3725, 5420, 5960, 6775, 7450, 10840, 13550, 14900, 18625, 27100, 29800, 33875, 37250, 40379, 54200, 67750, 74500, 80758, 135500, 149000, 161516, 201895, 271000, 323032, 403790, 807580, 1009475, 1615160, 2018950, 4037900, 5047375, 8075800, 10094750, 20189500, 40379000]

約数ペア:

[(1, 40379000), (2, 20189500), (4, 10094750), (5, 8075800), (8, 5047375), (10, 4037900), (20, 2018950), (25, 1615160), (40, 1009475), (50, 807580), (100, 403790), (125, 323032), (149, 271000), (200, 201895), (250, 161516), (271, 149000), (298, 135500), (500, 80758), (542, 74500), (596, 67750), (745, 54200), (1000, 40379), (1084, 37250), (1192, 33875), (1355, 29800), (1490, 27100), (2168, 18625), (2710, 14900), (2980, 13550), (3725, 10840), (5420, 7450), (5960, 6775)]