397397540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{3299}}^1$

素因数の和:3644

約数の個数: 48

約数和(自身を含む): 881496000

約数和(自身を除く): 484098460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 317, 380, 634, 1268, 1585, 3170, 3299, 6023, 6340, 6598, 12046, 13196, 16495, 24092, 30115, 32990, 60230, 62681, 65980, 120460, 125362, 250724, 313405, 626810, 1045783, 1253620, 2091566, 4183132, 5228915, 10457830, 19869877, 20915660, 39739754, 79479508, 99349385, 198698770, 397397540]

約数ペア:

[(1, 397397540), (2, 198698770), (4, 99349385), (5, 79479508), (10, 39739754), (19, 20915660), (20, 19869877), (38, 10457830), (76, 5228915), (95, 4183132), (190, 2091566), (317, 1253620), (380, 1045783), (634, 626810), (1268, 313405), (1585, 250724), (3170, 125362), (3299, 120460), (6023, 65980), (6340, 62681), (6598, 60230), (12046, 32990), (13196, 30115), (16495, 24092)]