71980540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{461}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 156318624

約数和(自身を除く): 84338084

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 211, 370, 422, 461, 740, 844, 922, 1055, 1844, 2110, 2305, 4220, 4610, 7807, 9220, 15614, 17057, 31228, 34114, 39035, 68228, 78070, 85285, 97271, 156140, 170570, 194542, 341140, 389084, 486355, 972710, 1945420, 3599027, 7198054, 14396108, 17995135, 35990270, 71980540]

約数ペア:

[(1, 71980540), (2, 35990270), (4, 17995135), (5, 14396108), (10, 7198054), (20, 3599027), (37, 1945420), (74, 972710), (148, 486355), (185, 389084), (211, 341140), (370, 194542), (422, 170570), (461, 156140), (740, 97271), (844, 85285), (922, 78070), (1055, 68228), (1844, 39035), (2110, 34114), (2305, 31228), (4220, 17057), (4610, 15614), (7807, 9220)]