201895000

素因数分解:

$2^3\times 5^4\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 477972000

約数和(自身を除く): 276077000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 149, 200, 250, 271, 298, 500, 542, 596, 625, 745, 1000, 1084, 1192, 1250, 1355, 1490, 2168, 2500, 2710, 2980, 3725, 5000, 5420, 5960, 6775, 7450, 10840, 13550, 14900, 18625, 27100, 29800, 33875, 37250, 40379, 54200, 67750, 74500, 80758, 93125, 135500, 149000, 161516, 169375, 186250, 201895, 271000, 323032, 338750, 372500, 403790, 677500, 745000, 807580, 1009475, 1355000, 1615160, 2018950, 4037900, 5047375, 8075800, 10094750, 20189500, 25236875, 40379000, 50473750, 100947500, 201895000]

約数ペア:

[(1, 201895000), (2, 100947500), (4, 50473750), (5, 40379000), (8, 25236875), (10, 20189500), (20, 10094750), (25, 8075800), (40, 5047375), (50, 4037900), (100, 2018950), (125, 1615160), (149, 1355000), (200, 1009475), (250, 807580), (271, 745000), (298, 677500), (500, 403790), (542, 372500), (596, 338750), (625, 323032), (745, 271000), (1000, 201895), (1084, 186250), (1192, 169375), (1250, 161516), (1355, 149000), (1490, 135500), (2168, 93125), (2500, 80758), (2710, 74500), (2980, 67750), (3725, 54200), (5000, 40379), (5420, 37250), (5960, 33875), (6775, 29800), (7450, 27100), (10840, 18625), (13550, 14900)]