38842160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:658

約数の個数: 80

約数和(自身を含む): 104160000

約数和(自身を除く): 65317840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 499, 556, 560, 695, 973, 998, 1112, 1390, 1946, 1996, 2224, 2495, 2780, 3493, 3892, 3992, 4865, 4990, 5560, 6986, 7784, 7984, 9730, 9980, 11120, 13972, 15568, 17465, 19460, 19960, 27944, 34930, 38920, 39920, 55888, 69361, 69860, 77840, 138722, 139720, 277444, 279440, 346805, 485527, 554888, 693610, 971054, 1109776, 1387220, 1942108, 2427635, 2774440, 3884216, 4855270, 5548880, 7768432, 9710540, 19421080, 38842160]

約数ペア:

[(1, 38842160), (2, 19421080), (4, 9710540), (5, 7768432), (7, 5548880), (8, 4855270), (10, 3884216), (14, 2774440), (16, 2427635), (20, 1942108), (28, 1387220), (35, 1109776), (40, 971054), (56, 693610), (70, 554888), (80, 485527), (112, 346805), (139, 279440), (140, 277444), (278, 139720), (280, 138722), (499, 77840), (556, 69860), (560, 69361), (695, 55888), (973, 39920), (998, 38920), (1112, 34930), (1390, 27944), (1946, 19960), (1996, 19460), (2224, 17465), (2495, 15568), (2780, 13972), (3493, 11120), (3892, 9980), (3992, 9730), (4865, 7984), (4990, 7784), (5560, 6986)]