201540380

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{67631}}^1$

素因数の和:67789

約数の個数: 24

約数和(自身を含む): 426081600

約数和(自身を除く): 224541220

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 67631, 135262, 270524, 338155, 676310, 1352620, 10077019, 20154038, 40308076, 50385095, 100770190, 201540380]

約数ペア:

[(1, 201540380), (2, 100770190), (4, 50385095), (5, 40308076), (10, 20154038), (20, 10077019), (149, 1352620), (298, 676310), (596, 338155), (745, 270524), (1490, 135262), (2980, 67631)]