1377778940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{66431}}^1$

素因数の和:66518

約数の個数: 48

約数和(自身を含む): 3113800704

約数和(自身を除く): 1736021764

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 4148, 5185, 10370, 20740, 66431, 132862, 265724, 332155, 664310, 1129327, 1328620, 2258654, 4052291, 4517308, 5646635, 8104582, 11293270, 16209164, 20261455, 22586540, 40522910, 68888947, 81045820, 137777894, 275555788, 344444735, 688889470, 1377778940]

約数ペア:

[(1, 1377778940), (2, 688889470), (4, 344444735), (5, 275555788), (10, 137777894), (17, 81045820), (20, 68888947), (34, 40522910), (61, 22586540), (68, 20261455), (85, 16209164), (122, 11293270), (170, 8104582), (244, 5646635), (305, 4517308), (340, 4052291), (610, 2258654), (1037, 1328620), (1220, 1129327), (2074, 664310), (4148, 332155), (5185, 265724), (10370, 132862), (20740, 66431)]