312451390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{4339}}^1$

素因数の和:4744

約数の個数: 32

約数和(自身を含む): 593712000

約数和(自身を除く): 281260610

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 379, 758, 1895, 3790, 4339, 7201, 8678, 14402, 21695, 36005, 43390, 72010, 82441, 164882, 412205, 824410, 1644481, 3288962, 8222405, 16444810, 31245139, 62490278, 156225695, 312451390]

約数ペア:

[(1, 312451390), (2, 156225695), (5, 62490278), (10, 31245139), (19, 16444810), (38, 8222405), (95, 3288962), (190, 1644481), (379, 824410), (758, 412205), (1895, 164882), (3790, 82441), (4339, 72010), (7201, 43390), (8678, 36005), (14402, 21695)]