139207490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{12011}}^1$

素因数の和:12098

約数の個数: 32

約数和(自身を含む): 268107840

約数和(自身を除く): 128900350

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 2318, 5795, 11590, 12011, 24022, 60055, 120110, 228209, 456418, 732671, 1141045, 1465342, 2282090, 3663355, 7326710, 13920749, 27841498, 69603745, 139207490]

約数ペア:

[(1, 139207490), (2, 69603745), (5, 27841498), (10, 13920749), (19, 7326710), (38, 3663355), (61, 2282090), (95, 1465342), (122, 1141045), (190, 732671), (305, 456418), (610, 228209), (1159, 120110), (2318, 60055), (5795, 24022), (11590, 12011)]