72740090

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1217}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 135051840

約数和(自身を除く): 62311750

約数列:

[1, 2, 5, 10, 43, 86, 139, 215, 278, 430, 695, 1217, 1390, 2434, 5977, 6085, 11954, 12170, 29885, 52331, 59770, 104662, 169163, 261655, 338326, 523310, 845815, 1691630, 7274009, 14548018, 36370045, 72740090]

約数ペア:

[(1, 72740090), (2, 36370045), (5, 14548018), (10, 7274009), (43, 1691630), (86, 845815), (139, 523310), (215, 338326), (278, 261655), (430, 169163), (695, 104662), (1217, 59770), (1390, 52331), (2434, 29885), (5977, 12170), (6085, 11954)]