352880540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{12721}}^1$

素因数の和:12822

約数の個数: 48

約数和(自身を含む): 790799520

約数和(自身を除く): 437918980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 5548, 6935, 12721, 13870, 25442, 27740, 50884, 63605, 127210, 241699, 254420, 483398, 928633, 966796, 1208495, 1857266, 2416990, 3714532, 4643165, 4833980, 9286330, 17644027, 18572660, 35288054, 70576108, 88220135, 176440270, 352880540]

約数ペア:

[(1, 352880540), (2, 176440270), (4, 88220135), (5, 70576108), (10, 35288054), (19, 18572660), (20, 17644027), (38, 9286330), (73, 4833980), (76, 4643165), (95, 3714532), (146, 2416990), (190, 1857266), (292, 1208495), (365, 966796), (380, 928633), (730, 483398), (1387, 254420), (1460, 241699), (2774, 127210), (5548, 63605), (6935, 50884), (12721, 27740), (13870, 25442)]