8211199990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{153739}}^1$

素因数の和:153869

約数の個数: 48

約数和(自身を含む): 17351096400

約数和(自身を除く): 9139896410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 490, 545, 763, 1090, 1526, 3815, 5341, 7630, 10682, 26705, 53410, 153739, 307478, 768695, 1076173, 1537390, 2152346, 5380865, 7533211, 10761730, 15066422, 16757551, 33515102, 37666055, 75332110, 83787755, 117302857, 167575510, 234605714, 586514285, 821119999, 1173028570, 1642239998, 4105599995, 8211199990]

約数ペア:

[(1, 8211199990), (2, 4105599995), (5, 1642239998), (7, 1173028570), (10, 821119999), (14, 586514285), (35, 234605714), (49, 167575510), (70, 117302857), (98, 83787755), (109, 75332110), (218, 37666055), (245, 33515102), (490, 16757551), (545, 15066422), (763, 10761730), (1090, 7533211), (1526, 5380865), (3815, 2152346), (5341, 1537390), (7630, 1076173), (10682, 768695), (26705, 307478), (53410, 153739)]