1220900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:464

約数の個数: 36

約数和(自身を含む): 2747220

約数和(自身を除く): 1526320

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 421, 580, 725, 842, 1450, 1684, 2105, 2900, 4210, 8420, 10525, 12209, 21050, 24418, 42100, 48836, 61045, 122090, 244180, 305225, 610450, 1220900]

約数ペア:

[(1, 1220900), (2, 610450), (4, 305225), (5, 244180), (10, 122090), (20, 61045), (25, 48836), (29, 42100), (50, 24418), (58, 21050), (100, 12209), (116, 10525), (145, 8420), (290, 4210), (421, 2900), (580, 2105), (725, 1684), (842, 1450)]