212219210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{20347}}^1$

素因数の和:20510

約数の個数: 32

約数和(自身を含む): 439516800

約数和(自身を除く): 227297590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 10430, 20347, 40694, 101735, 142429, 203470, 284858, 712145, 1424290, 3031703, 6063406, 15158515, 21221921, 30317030, 42443842, 106109605, 212219210]

約数ペア:

[(1, 212219210), (2, 106109605), (5, 42443842), (7, 30317030), (10, 21221921), (14, 15158515), (35, 6063406), (70, 3031703), (149, 1424290), (298, 712145), (745, 284858), (1043, 203470), (1490, 142429), (2086, 101735), (5215, 40694), (10430, 20347)]