29420740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 65620800

約数和(自身を除く): 36200060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 557, 695, 1114, 1390, 2228, 2641, 2780, 2785, 5282, 5570, 10564, 10583, 11140, 13205, 21166, 26410, 42332, 52820, 52915, 77423, 105830, 154846, 211660, 309692, 387115, 774230, 1471037, 1548460, 2942074, 5884148, 7355185, 14710370, 29420740]

約数ペア:

[(1, 29420740), (2, 14710370), (4, 7355185), (5, 5884148), (10, 2942074), (19, 1548460), (20, 1471037), (38, 774230), (76, 387115), (95, 309692), (139, 211660), (190, 154846), (278, 105830), (380, 77423), (556, 52915), (557, 52820), (695, 42332), (1114, 26410), (1390, 21166), (2228, 13205), (2641, 11140), (2780, 10583), (2785, 10564), (5282, 5570)]