3705740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 8279040

約数和(自身を除く): 4573300

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 139, 155, 172, 215, 278, 310, 430, 556, 620, 695, 860, 1333, 1390, 2666, 2780, 4309, 5332, 5977, 6665, 8618, 11954, 13330, 17236, 21545, 23908, 26660, 29885, 43090, 59770, 86180, 119540, 185287, 370574, 741148, 926435, 1852870, 3705740]

約数ペア:

[(1, 3705740), (2, 1852870), (4, 926435), (5, 741148), (10, 370574), (20, 185287), (31, 119540), (43, 86180), (62, 59770), (86, 43090), (124, 29885), (139, 26660), (155, 23908), (172, 21545), (215, 17236), (278, 13330), (310, 11954), (430, 8618), (556, 6665), (620, 5977), (695, 5332), (860, 4309), (1333, 2780), (1390, 2666)]