209215740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{12409}}^1$

素因数の和:12702

約数の個数: 48

約数和(自身を含む): 587936160

約数和(自身を除く): 378720420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 843, 1124, 1405, 1686, 2810, 3372, 4215, 5620, 8430, 12409, 16860, 24818, 37227, 49636, 62045, 74454, 124090, 148908, 186135, 248180, 372270, 744540, 3486929, 6973858, 10460787, 13947716, 17434645, 20921574, 34869290, 41843148, 52303935, 69738580, 104607870, 209215740]

約数ペア:

[(1, 209215740), (2, 104607870), (3, 69738580), (4, 52303935), (5, 41843148), (6, 34869290), (10, 20921574), (12, 17434645), (15, 13947716), (20, 10460787), (30, 6973858), (60, 3486929), (281, 744540), (562, 372270), (843, 248180), (1124, 186135), (1405, 148908), (1686, 124090), (2810, 74454), (3372, 62045), (4215, 49636), (5620, 37227), (8430, 24818), (12409, 16860)]