156965620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{160169}}^1$

素因数の和:160192

約数の個数: 36

約数和(自身を含む): 383446980

約数和(自身を除く): 226481360

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 160169, 320338, 640676, 800845, 1121183, 1601690, 2242366, 3203380, 4484732, 5605915, 7848281, 11211830, 15696562, 22423660, 31393124, 39241405, 78482810, 156965620]

約数ペア:

[(1, 156965620), (2, 78482810), (4, 39241405), (5, 31393124), (7, 22423660), (10, 15696562), (14, 11211830), (20, 7848281), (28, 5605915), (35, 4484732), (49, 3203380), (70, 2242366), (98, 1601690), (140, 1121183), (196, 800845), (245, 640676), (490, 320338), (980, 160169)]