717759740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1\times {\mathrm{1471}}^1$

素因数の和:2298

約数の個数: 48

約数和(自身を含む): 1558953984

約数和(自身を除く): 841194244

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 787, 1471, 1574, 2942, 3148, 3935, 5884, 7355, 7870, 14710, 15740, 24397, 29420, 45601, 48794, 91202, 97588, 121985, 182404, 228005, 243970, 456010, 487940, 912020, 1157677, 2315354, 4630708, 5788385, 11576770, 23153540, 35887987, 71775974, 143551948, 179439935, 358879870, 717759740]

約数ペア:

[(1, 717759740), (2, 358879870), (4, 179439935), (5, 143551948), (10, 71775974), (20, 35887987), (31, 23153540), (62, 11576770), (124, 5788385), (155, 4630708), (310, 2315354), (620, 1157677), (787, 912020), (1471, 487940), (1574, 456010), (2942, 243970), (3148, 228005), (3935, 182404), (5884, 121985), (7355, 97588), (7870, 91202), (14710, 48794), (15740, 45601), (24397, 29420)]