278825730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{2143}}^1\times {\mathrm{4337}}^1$

素因数の和:6490

約数の個数: 32

約数和(自身を含む): 669648384

約数和(自身を除く): 390822654

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 2143, 4286, 4337, 6429, 8674, 10715, 12858, 13011, 21430, 21685, 26022, 32145, 43370, 64290, 65055, 130110, 9294191, 18588382, 27882573, 46470955, 55765146, 92941910, 139412865, 278825730]

約数ペア:

[(1, 278825730), (2, 139412865), (3, 92941910), (5, 55765146), (6, 46470955), (10, 27882573), (15, 18588382), (30, 9294191), (2143, 130110), (4286, 65055), (4337, 64290), (6429, 43370), (8674, 32145), (10715, 26022), (12858, 21685), (13011, 21430)]