4519490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 8570880

約数和(自身を除く): 4051390

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 239, 305, 310, 478, 610, 1195, 1891, 2390, 3782, 7409, 9455, 14579, 14818, 18910, 29158, 37045, 72895, 74090, 145790, 451949, 903898, 2259745, 4519490]

約数ペア:

[(1, 4519490), (2, 2259745), (5, 903898), (10, 451949), (31, 145790), (61, 74090), (62, 72895), (122, 37045), (155, 29158), (239, 18910), (305, 14818), (310, 14579), (478, 9455), (610, 7409), (1195, 3782), (1891, 2390)]