221470090

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{1163}}^1$

素因数の和:1446

約数の個数: 32

約数和(自身を含む): 404792640

約数和(自身を除く): 183322550

約数列:

[1, 2, 5, 10, 137, 139, 274, 278, 685, 695, 1163, 1370, 1390, 2326, 5815, 11630, 19043, 38086, 95215, 159331, 161657, 190430, 318662, 323314, 796655, 808285, 1593310, 1616570, 22147009, 44294018, 110735045, 221470090]

約数ペア:

[(1, 221470090), (2, 110735045), (5, 44294018), (10, 22147009), (137, 1616570), (139, 1593310), (274, 808285), (278, 796655), (685, 323314), (695, 318662), (1163, 190430), (1370, 161657), (1390, 159331), (2326, 95215), (5815, 38086), (11630, 19043)]