202151000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{6521}}^1$

素因数の和:6573

約数の個数: 64

約数和(自身を含む): 488367360

約数和(自身を除く): 286216360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 775, 1000, 1240, 1550, 3100, 3875, 6200, 6521, 7750, 13042, 15500, 26084, 31000, 32605, 52168, 65210, 130420, 163025, 202151, 260840, 326050, 404302, 652100, 808604, 815125, 1010755, 1304200, 1617208, 1630250, 2021510, 3260500, 4043020, 5053775, 6521000, 8086040, 10107550, 20215100, 25268875, 40430200, 50537750, 101075500, 202151000]

約数ペア:

[(1, 202151000), (2, 101075500), (4, 50537750), (5, 40430200), (8, 25268875), (10, 20215100), (20, 10107550), (25, 8086040), (31, 6521000), (40, 5053775), (50, 4043020), (62, 3260500), (100, 2021510), (124, 1630250), (125, 1617208), (155, 1304200), (200, 1010755), (248, 815125), (250, 808604), (310, 652100), (500, 404302), (620, 326050), (775, 260840), (1000, 202151), (1240, 163025), (1550, 130420), (3100, 65210), (3875, 52168), (6200, 32605), (6521, 31000), (7750, 26084), (13042, 15500)]