213202280

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{8447}}^1$

素因数の和:9089

約数の個数: 32

約数和(自身を含む): 480522240

約数和(自身を除く): 267319960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 8447, 12620, 16894, 25240, 33788, 42235, 67576, 84470, 168940, 337880, 5330057, 10660114, 21320228, 26650285, 42640456, 53300570, 106601140, 213202280]

約数ペア:

[(1, 213202280), (2, 106601140), (4, 53300570), (5, 42640456), (8, 26650285), (10, 21320228), (20, 10660114), (40, 5330057), (631, 337880), (1262, 168940), (2524, 84470), (3155, 67576), (5048, 42235), (6310, 33788), (8447, 25240), (12620, 16894)]