668849620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1\times {\mathrm{2311}}^1$

素因数の和:2848

約数の個数: 48

約数和(自身を含む): 1456560000

約数和(自身を除く): 787710380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 499, 580, 998, 1996, 2311, 2495, 4622, 4990, 9244, 9980, 11555, 14471, 23110, 28942, 46220, 57884, 67019, 72355, 134038, 144710, 268076, 289420, 335095, 670190, 1153189, 1340380, 2306378, 4612756, 5765945, 11531890, 23063780, 33442481, 66884962, 133769924, 167212405, 334424810, 668849620]

約数ペア:

[(1, 668849620), (2, 334424810), (4, 167212405), (5, 133769924), (10, 66884962), (20, 33442481), (29, 23063780), (58, 11531890), (116, 5765945), (145, 4612756), (290, 2306378), (499, 1340380), (580, 1153189), (998, 670190), (1996, 335095), (2311, 289420), (2495, 268076), (4622, 144710), (4990, 134038), (9244, 72355), (9980, 67019), (11555, 57884), (14471, 46220), (23110, 28942)]