85414840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43579}}^1$

素因数の和:43604

約数の個数: 48

約数和(自身を含む): 223565400

約数和(自身を除く): 138150560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 43579, 87158, 174316, 217895, 305053, 348632, 435790, 610106, 871580, 1220212, 1525265, 1743160, 2135371, 2440424, 3050530, 4270742, 6101060, 8541484, 10676855, 12202120, 17082968, 21353710, 42707420, 85414840]

約数ペア:

[(1, 85414840), (2, 42707420), (4, 21353710), (5, 17082968), (7, 12202120), (8, 10676855), (10, 8541484), (14, 6101060), (20, 4270742), (28, 3050530), (35, 2440424), (40, 2135371), (49, 1743160), (56, 1525265), (70, 1220212), (98, 871580), (140, 610106), (196, 435790), (245, 348632), (280, 305053), (392, 217895), (490, 174316), (980, 87158), (1960, 43579)]