47910520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1388

約数の個数: 64

約数和(自身を含む): 124185600

約数和(自身を除く): 76275080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1231, 1390, 1946, 2462, 2780, 3892, 4865, 4924, 5560, 6155, 7784, 8617, 9730, 9848, 12310, 17234, 19460, 24620, 34468, 38920, 43085, 49240, 68936, 86170, 171109, 172340, 342218, 344680, 684436, 855545, 1197763, 1368872, 1711090, 2395526, 3422180, 4791052, 5988815, 6844360, 9582104, 11977630, 23955260, 47910520]

約数ペア:

[(1, 47910520), (2, 23955260), (4, 11977630), (5, 9582104), (7, 6844360), (8, 5988815), (10, 4791052), (14, 3422180), (20, 2395526), (28, 1711090), (35, 1368872), (40, 1197763), (56, 855545), (70, 684436), (139, 344680), (140, 342218), (278, 172340), (280, 171109), (556, 86170), (695, 68936), (973, 49240), (1112, 43085), (1231, 38920), (1390, 34468), (1946, 24620), (2462, 19460), (2780, 17234), (3892, 12310), (4865, 9848), (4924, 9730), (5560, 8617), (6155, 7784)]