157218620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{5987}}^1$

素因数の和:6110

約数の個数: 48

約数和(自身を含む): 359136288

約数和(自身を除く): 201917668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 5252, 5987, 6565, 11974, 13130, 23948, 26260, 29935, 59870, 77831, 119740, 155662, 311324, 389155, 604687, 778310, 1209374, 1556620, 2418748, 3023435, 6046870, 7860931, 12093740, 15721862, 31443724, 39304655, 78609310, 157218620]

約数ペア:

[(1, 157218620), (2, 78609310), (4, 39304655), (5, 31443724), (10, 15721862), (13, 12093740), (20, 7860931), (26, 6046870), (52, 3023435), (65, 2418748), (101, 1556620), (130, 1209374), (202, 778310), (260, 604687), (404, 389155), (505, 311324), (1010, 155662), (1313, 119740), (2020, 77831), (2626, 59870), (5252, 29935), (5987, 26260), (6565, 23948), (11974, 13130)]