98777960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{129971}}^1$

素因数の和:130001

約数の個数: 32

約数和(自身を含む): 233949600

約数和(自身を除く): 135171640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 129971, 259942, 519884, 649855, 1039768, 1299710, 2469449, 2599420, 4938898, 5198840, 9877796, 12347245, 19755592, 24694490, 49388980, 98777960]

約数ペア:

[(1, 98777960), (2, 49388980), (4, 24694490), (5, 19755592), (8, 12347245), (10, 9877796), (19, 5198840), (20, 4938898), (38, 2599420), (40, 2469449), (76, 1299710), (95, 1039768), (152, 649855), (190, 519884), (380, 259942), (760, 129971)]