4156700

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:422

約数の個数: 36

約数和(自身を含む): 9108792

約数和(自身を除く): 4952092

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 211, 394, 422, 788, 844, 985, 1055, 1970, 2110, 3940, 4220, 4925, 5275, 9850, 10550, 19700, 21100, 41567, 83134, 166268, 207835, 415670, 831340, 1039175, 2078350, 4156700]

約数ペア:

[(1, 4156700), (2, 2078350), (4, 1039175), (5, 831340), (10, 415670), (20, 207835), (25, 166268), (50, 83134), (100, 41567), (197, 21100), (211, 19700), (394, 10550), (422, 9850), (788, 5275), (844, 4925), (985, 4220), (1055, 3940), (1970, 2110)]