345545840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139333}}^1$

素因数の和:139377

約数の個数: 40

約数和(自身を含む): 829315968

約数和(自身を除く): 483770128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 139333, 278666, 557332, 696665, 1114664, 1393330, 2229328, 2786660, 4319323, 5573320, 8638646, 11146640, 17277292, 21596615, 34554584, 43193230, 69109168, 86386460, 172772920, 345545840]

約数ペア:

[(1, 345545840), (2, 172772920), (4, 86386460), (5, 69109168), (8, 43193230), (10, 34554584), (16, 21596615), (20, 17277292), (31, 11146640), (40, 8638646), (62, 5573320), (80, 4319323), (124, 2786660), (155, 2229328), (248, 1393330), (310, 1114664), (496, 696665), (620, 557332), (1240, 278666), (2480, 139333)]