339910040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{274121}}^1$

素因数の和:274163

約数の個数: 32

約数和(自身を含む): 789471360

約数和(自身を除く): 449561320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 274121, 548242, 1096484, 1370605, 2192968, 2741210, 5482420, 8497751, 10964840, 16995502, 33991004, 42488755, 67982008, 84977510, 169955020, 339910040]

約数ペア:

[(1, 339910040), (2, 169955020), (4, 84977510), (5, 67982008), (8, 42488755), (10, 33991004), (20, 16995502), (31, 10964840), (40, 8497751), (62, 5482420), (124, 2741210), (155, 2192968), (248, 1370605), (310, 1096484), (620, 548242), (1240, 274121)]