209936960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21163}}^1$

素因数の和:21211

約数の個数: 56

約数和(自身を含む): 516062976

約数和(自身を除く): 306126016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 21163, 42326, 84652, 105815, 169304, 211630, 338608, 423260, 656053, 677216, 846520, 1312106, 1354432, 1693040, 2624212, 3280265, 3386080, 5248424, 6560530, 6772160, 10496848, 13121060, 20993696, 26242120, 41987392, 52484240, 104968480, 209936960]

約数ペア:

[(1, 209936960), (2, 104968480), (4, 52484240), (5, 41987392), (8, 26242120), (10, 20993696), (16, 13121060), (20, 10496848), (31, 6772160), (32, 6560530), (40, 5248424), (62, 3386080), (64, 3280265), (80, 2624212), (124, 1693040), (155, 1354432), (160, 1312106), (248, 846520), (310, 677216), (320, 656053), (496, 423260), (620, 338608), (992, 211630), (1240, 169304), (1984, 105815), (2480, 84652), (4960, 42326), (9920, 21163)]