101671700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 239406552

約数和(自身を除く): 137734852

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 197, 260, 325, 394, 397, 650, 788, 794, 985, 1300, 1588, 1970, 1985, 2561, 3940, 3970, 4925, 5122, 5161, 7940, 9850, 9925, 10244, 10322, 12805, 19700, 19850, 20644, 25610, 25805, 39700, 51220, 51610, 64025, 78209, 103220, 128050, 129025, 156418, 256100, 258050, 312836, 391045, 516100, 782090, 1016717, 1564180, 1955225, 2033434, 3910450, 4066868, 5083585, 7820900, 10167170, 20334340, 25417925, 50835850, 101671700]

約数ペア:

[(1, 101671700), (2, 50835850), (4, 25417925), (5, 20334340), (10, 10167170), (13, 7820900), (20, 5083585), (25, 4066868), (26, 3910450), (50, 2033434), (52, 1955225), (65, 1564180), (100, 1016717), (130, 782090), (197, 516100), (260, 391045), (325, 312836), (394, 258050), (397, 256100), (650, 156418), (788, 129025), (794, 128050), (985, 103220), (1300, 78209), (1588, 64025), (1970, 51610), (1985, 51220), (2561, 39700), (3940, 25805), (3970, 25610), (4925, 20644), (5122, 19850), (5161, 19700), (7940, 12805), (9850, 10322), (9925, 10244)]