30707380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12689}}^1$

素因数の和:12720

約数の個数: 36

約数和(自身を含む): 70886340

約数和(自身を除く): 40178960

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 12689, 25378, 50756, 63445, 126890, 139579, 253780, 279158, 558316, 697895, 1395790, 1535369, 2791580, 3070738, 6141476, 7676845, 15353690, 30707380]

約数ペア:

[(1, 30707380), (2, 15353690), (4, 7676845), (5, 6141476), (10, 3070738), (11, 2791580), (20, 1535369), (22, 1395790), (44, 697895), (55, 558316), (110, 279158), (121, 253780), (220, 139579), (242, 126890), (484, 63445), (605, 50756), (1210, 25378), (2420, 12689)]