331509040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{133673}}^1$

素因数の和:133717

約数の個数: 40

約数和(自身を含む): 795627648

約数和(自身を除く): 464118608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 133673, 267346, 534692, 668365, 1069384, 1336730, 2138768, 2673460, 4143863, 5346920, 8287726, 10693840, 16575452, 20719315, 33150904, 41438630, 66301808, 82877260, 165754520, 331509040]

約数ペア:

[(1, 331509040), (2, 165754520), (4, 82877260), (5, 66301808), (8, 41438630), (10, 33150904), (16, 20719315), (20, 16575452), (31, 10693840), (40, 8287726), (62, 5346920), (80, 4143863), (124, 2673460), (155, 2138768), (248, 1336730), (310, 1069384), (496, 668365), (620, 534692), (1240, 267346), (2480, 133673)]