207020504

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{739}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 414451800

約数和(自身を除く): 207431296

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 152, 194, 361, 388, 722, 739, 776, 1444, 1478, 1843, 2888, 2956, 3686, 5912, 7372, 14041, 14744, 28082, 35017, 56164, 70034, 71683, 112328, 140068, 143366, 266779, 280136, 286732, 533558, 573464, 1067116, 1361977, 2134232, 2723954, 5447908, 10895816, 25877563, 51755126, 103510252, 207020504]

約数ペア:

[(1, 207020504), (2, 103510252), (4, 51755126), (8, 25877563), (19, 10895816), (38, 5447908), (76, 2723954), (97, 2134232), (152, 1361977), (194, 1067116), (361, 573464), (388, 533558), (722, 286732), (739, 280136), (776, 266779), (1444, 143366), (1478, 140068), (1843, 112328), (2888, 71683), (2956, 70034), (3686, 56164), (5912, 35017), (7372, 28082), (14041, 14744)]