28687450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1279

約数の個数: 48

約数和(自身を含む): 59612256

約数和(自身を除く): 30924806

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 110, 215, 275, 430, 473, 550, 946, 1075, 1213, 2150, 2365, 2426, 4730, 6065, 11825, 12130, 13343, 23650, 26686, 30325, 52159, 60650, 66715, 104318, 133430, 260795, 333575, 521590, 573749, 667150, 1147498, 1303975, 2607950, 2868745, 5737490, 14343725, 28687450]

約数ペア:

[(1, 28687450), (2, 14343725), (5, 5737490), (10, 2868745), (11, 2607950), (22, 1303975), (25, 1147498), (43, 667150), (50, 573749), (55, 521590), (86, 333575), (110, 260795), (215, 133430), (275, 104318), (430, 66715), (473, 60650), (550, 52159), (946, 30325), (1075, 26686), (1213, 23650), (2150, 13343), (2365, 12130), (2426, 11825), (4730, 6065)]