686883740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{4597}}^1$

素因数の和:4878

約数の個数: 48

約数和(自身を含む): 1495490304

約数和(自身を除く): 808606564

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 241, 310, 482, 620, 964, 1205, 2410, 4597, 4820, 7471, 9194, 14942, 18388, 22985, 29884, 37355, 45970, 74710, 91940, 142507, 149420, 285014, 570028, 712535, 1107877, 1425070, 2215754, 2850140, 4431508, 5539385, 11078770, 22157540, 34344187, 68688374, 137376748, 171720935, 343441870, 686883740]

約数ペア:

[(1, 686883740), (2, 343441870), (4, 171720935), (5, 137376748), (10, 68688374), (20, 34344187), (31, 22157540), (62, 11078770), (124, 5539385), (155, 4431508), (241, 2850140), (310, 2215754), (482, 1425070), (620, 1107877), (964, 712535), (1205, 570028), (2410, 285014), (4597, 149420), (4820, 142507), (7471, 91940), (9194, 74710), (14942, 45970), (18388, 37355), (22985, 29884)]