38844680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{138731}}^1$

素因数の和:138749

約数の個数: 32

約数和(自身を含む): 99887040

約数和(自身を除く): 61042360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 138731, 277462, 554924, 693655, 971117, 1109848, 1387310, 1942234, 2774620, 3884468, 4855585, 5549240, 7768936, 9711170, 19422340, 38844680]

約数ペア:

[(1, 38844680), (2, 19422340), (4, 9711170), (5, 7768936), (7, 5549240), (8, 4855585), (10, 3884468), (14, 2774620), (20, 1942234), (28, 1387310), (35, 1109848), (40, 971117), (56, 693655), (70, 554924), (140, 277462), (280, 138731)]