326348780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{8629}}^1$

素因数の和:8730

約数の個数: 48

約数和(自身を含む): 719120640

約数和(自身を除く): 392771860

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 3782, 7564, 8629, 9455, 17258, 18910, 34516, 37820, 43145, 86290, 172580, 267499, 526369, 534998, 1052738, 1069996, 1337495, 2105476, 2631845, 2674990, 5263690, 5349980, 10527380, 16317439, 32634878, 65269756, 81587195, 163174390, 326348780]

約数ペア:

[(1, 326348780), (2, 163174390), (4, 81587195), (5, 65269756), (10, 32634878), (20, 16317439), (31, 10527380), (61, 5349980), (62, 5263690), (122, 2674990), (124, 2631845), (155, 2105476), (244, 1337495), (305, 1069996), (310, 1052738), (610, 534998), (620, 526369), (1220, 267499), (1891, 172580), (3782, 86290), (7564, 43145), (8629, 37820), (9455, 34516), (17258, 18910)]