53787440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:850

約数の個数: 80

約数和(自身を含む): 144157440

約数和(自身を除く): 90370000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 691, 695, 973, 1112, 1382, 1390, 1946, 2224, 2764, 2780, 3455, 3892, 4837, 4865, 5528, 5560, 6910, 7784, 9674, 9730, 11056, 11120, 13820, 15568, 19348, 19460, 24185, 27640, 38696, 38920, 48370, 55280, 77392, 77840, 96049, 96740, 192098, 193480, 384196, 386960, 480245, 672343, 768392, 960490, 1344686, 1536784, 1920980, 2689372, 3361715, 3841960, 5378744, 6723430, 7683920, 10757488, 13446860, 26893720, 53787440]

約数ペア:

[(1, 53787440), (2, 26893720), (4, 13446860), (5, 10757488), (7, 7683920), (8, 6723430), (10, 5378744), (14, 3841960), (16, 3361715), (20, 2689372), (28, 1920980), (35, 1536784), (40, 1344686), (56, 960490), (70, 768392), (80, 672343), (112, 480245), (139, 386960), (140, 384196), (278, 193480), (280, 192098), (556, 96740), (560, 96049), (691, 77840), (695, 77392), (973, 55280), (1112, 48370), (1382, 38920), (1390, 38696), (1946, 27640), (2224, 24185), (2764, 19460), (2780, 19348), (3455, 15568), (3892, 13820), (4837, 11120), (4865, 11056), (5528, 9730), (5560, 9674), (6910, 7784)]