8292740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 18580800

約数和(自身を除く): 10288060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 157, 190, 278, 314, 380, 556, 628, 695, 785, 1390, 1570, 2641, 2780, 2983, 3140, 5282, 5966, 10564, 11932, 13205, 14915, 21823, 26410, 29830, 43646, 52820, 59660, 87292, 109115, 218230, 414637, 436460, 829274, 1658548, 2073185, 4146370, 8292740]

約数ペア:

[(1, 8292740), (2, 4146370), (4, 2073185), (5, 1658548), (10, 829274), (19, 436460), (20, 414637), (38, 218230), (76, 109115), (95, 87292), (139, 59660), (157, 52820), (190, 43646), (278, 29830), (314, 26410), (380, 21823), (556, 14915), (628, 13205), (695, 11932), (785, 10564), (1390, 5966), (1570, 5282), (2641, 3140), (2780, 2983)]