169236440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{136481}}^1$

素因数の和:136523

約数の個数: 32

約数和(自身を含む): 393068160

約数和(自身を除く): 223831720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 136481, 272962, 545924, 682405, 1091848, 1364810, 2729620, 4230911, 5459240, 8461822, 16923644, 21154555, 33847288, 42309110, 84618220, 169236440]

約数ペア:

[(1, 169236440), (2, 84618220), (4, 42309110), (5, 33847288), (8, 21154555), (10, 16923644), (20, 8461822), (31, 5459240), (40, 4230911), (62, 2729620), (124, 1364810), (155, 1091848), (248, 682405), (310, 545924), (620, 272962), (1240, 136481)]