2028122140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{397}}^1\times {\mathrm{2111}}^1$

素因数の和:2539

約数の個数: 72

約数和(自身を含む): 4695457536

約数和(自身を除く): 2667335396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 397, 484, 605, 794, 1210, 1588, 1985, 2111, 2420, 3970, 4222, 4367, 7940, 8444, 8734, 10555, 17468, 21110, 21835, 23221, 42220, 43670, 46442, 48037, 87340, 92884, 96074, 116105, 192148, 232210, 240185, 255431, 464420, 480370, 510862, 838067, 960740, 1021724, 1277155, 1676134, 2554310, 3352268, 4190335, 5108620, 8380670, 9218737, 16761340, 18437474, 36874948, 46093685, 92187370, 101406107, 184374740, 202812214, 405624428, 507030535, 1014061070, 2028122140]

約数ペア:

[(1, 2028122140), (2, 1014061070), (4, 507030535), (5, 405624428), (10, 202812214), (11, 184374740), (20, 101406107), (22, 92187370), (44, 46093685), (55, 36874948), (110, 18437474), (121, 16761340), (220, 9218737), (242, 8380670), (397, 5108620), (484, 4190335), (605, 3352268), (794, 2554310), (1210, 1676134), (1588, 1277155), (1985, 1021724), (2111, 960740), (2420, 838067), (3970, 510862), (4222, 480370), (4367, 464420), (7940, 255431), (8444, 240185), (8734, 232210), (10555, 192148), (17468, 116105), (21110, 96074), (21835, 92884), (23221, 87340), (42220, 48037), (43670, 46442)]