640536748

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{587}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 1180567584

約数和(自身を除く): 540030836

約数列:

[1, 2, 4, 37, 73, 74, 101, 146, 148, 202, 292, 404, 587, 1174, 2348, 2701, 3737, 5402, 7373, 7474, 10804, 14746, 14948, 21719, 29492, 42851, 43438, 59287, 85702, 86876, 118574, 171404, 237148, 272801, 545602, 1091204, 1585487, 2193619, 3170974, 4327951, 4387238, 6341948, 8655902, 8774476, 17311804, 160134187, 320268374, 640536748]

約数ペア:

[(1, 640536748), (2, 320268374), (4, 160134187), (37, 17311804), (73, 8774476), (74, 8655902), (101, 6341948), (146, 4387238), (148, 4327951), (202, 3170974), (292, 2193619), (404, 1585487), (587, 1091204), (1174, 545602), (2348, 272801), (2701, 237148), (3737, 171404), (5402, 118574), (7373, 86876), (7474, 85702), (10804, 59287), (14746, 43438), (14948, 42851), (21719, 29492)]