7131290120

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{829}}^1\times {\mathrm{1973}}^1$

素因数の和:2922

約数の個数: 64

約数和(自身を含む): 16220358000

約数和(自身を除く): 9089067880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 829, 872, 1090, 1658, 1973, 2180, 3316, 3946, 4145, 4360, 6632, 7892, 8290, 9865, 15784, 16580, 19730, 33160, 39460, 78920, 90361, 180722, 215057, 361444, 430114, 451805, 722888, 860228, 903610, 1075285, 1635617, 1720456, 1807220, 2150570, 3271234, 3614440, 4301140, 6542468, 8178085, 8602280, 13084936, 16356170, 32712340, 65424680, 178282253, 356564506, 713129012, 891411265, 1426258024, 1782822530, 3565645060, 7131290120]

約数ペア:

[(1, 7131290120), (2, 3565645060), (4, 1782822530), (5, 1426258024), (8, 891411265), (10, 713129012), (20, 356564506), (40, 178282253), (109, 65424680), (218, 32712340), (436, 16356170), (545, 13084936), (829, 8602280), (872, 8178085), (1090, 6542468), (1658, 4301140), (1973, 3614440), (2180, 3271234), (3316, 2150570), (3946, 1807220), (4145, 1720456), (4360, 1635617), (6632, 1075285), (7892, 903610), (8290, 860228), (9865, 722888), (15784, 451805), (16580, 430114), (19730, 361444), (33160, 215057), (39460, 180722), (78920, 90361)]