131820430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 280350720

約数和(自身を除く): 148530290

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 103, 206, 235, 329, 389, 470, 515, 658, 721, 778, 1030, 1442, 1645, 1945, 2723, 3290, 3605, 3890, 4841, 5446, 7210, 9682, 13615, 18283, 24205, 27230, 33887, 36566, 40067, 48410, 67774, 80134, 91415, 127981, 169435, 182830, 200335, 255962, 280469, 338870, 400670, 560938, 639905, 1279810, 1402345, 1883149, 2804690, 3766298, 9415745, 13182043, 18831490, 26364086, 65910215, 131820430]

約数ペア:

[(1, 131820430), (2, 65910215), (5, 26364086), (7, 18831490), (10, 13182043), (14, 9415745), (35, 3766298), (47, 2804690), (70, 1883149), (94, 1402345), (103, 1279810), (206, 639905), (235, 560938), (329, 400670), (389, 338870), (470, 280469), (515, 255962), (658, 200335), (721, 182830), (778, 169435), (1030, 127981), (1442, 91415), (1645, 80134), (1945, 67774), (2723, 48410), (3290, 40067), (3605, 36566), (3890, 33887), (4841, 27230), (5446, 24205), (7210, 18283), (9682, 13615)]