289345940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{35899}}^1$

素因数の和:35952

約数の個数: 48

約数和(自身を含む): 675494400

約数和(自身を除く): 386148460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 35899, 71798, 143596, 179495, 358990, 466687, 717980, 933374, 1112869, 1866748, 2225738, 2333435, 4451476, 4666870, 5564345, 9333740, 11128690, 14467297, 22257380, 28934594, 57869188, 72336485, 144672970, 289345940]

約数ペア:

[(1, 289345940), (2, 144672970), (4, 72336485), (5, 57869188), (10, 28934594), (13, 22257380), (20, 14467297), (26, 11128690), (31, 9333740), (52, 5564345), (62, 4666870), (65, 4451476), (124, 2333435), (130, 2225738), (155, 1866748), (260, 1112869), (310, 933374), (403, 717980), (620, 466687), (806, 358990), (1612, 179495), (2015, 143596), (4030, 71798), (8060, 35899)]