778838420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{54617}}^1$

素因数の和:54680

約数の個数: 48

約数和(自身を含む): 1761758208

約数和(自身を除く): 982919788

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 2852, 3565, 7130, 14260, 54617, 109234, 218468, 273085, 546170, 1092340, 1256191, 1693127, 2512382, 3386254, 5024764, 6280955, 6772508, 8465635, 12561910, 16931270, 25123820, 33862540, 38941921, 77883842, 155767684, 194709605, 389419210, 778838420]

約数ペア:

[(1, 778838420), (2, 389419210), (4, 194709605), (5, 155767684), (10, 77883842), (20, 38941921), (23, 33862540), (31, 25123820), (46, 16931270), (62, 12561910), (92, 8465635), (115, 6772508), (124, 6280955), (155, 5024764), (230, 3386254), (310, 2512382), (460, 1693127), (620, 1256191), (713, 1092340), (1426, 546170), (2852, 273085), (3565, 218468), (7130, 109234), (14260, 54617)]