89898140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2377}}^1$

素因数の和:2478

約数の個数: 48

約数和(自身を含む): 198153984

約数和(自身を除く): 108255844

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 2377, 3782, 4754, 7564, 9455, 9508, 11885, 18910, 23770, 37820, 47540, 73687, 144997, 147374, 289994, 294748, 368435, 579988, 724985, 736870, 1449970, 1473740, 2899940, 4494907, 8989814, 17979628, 22474535, 44949070, 89898140]

約数ペア:

[(1, 89898140), (2, 44949070), (4, 22474535), (5, 17979628), (10, 8989814), (20, 4494907), (31, 2899940), (61, 1473740), (62, 1449970), (122, 736870), (124, 724985), (155, 579988), (244, 368435), (305, 294748), (310, 289994), (610, 147374), (620, 144997), (1220, 73687), (1891, 47540), (2377, 37820), (3782, 23770), (4754, 18910), (7564, 11885), (9455, 9508)]