137549860

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{20051}}^1$

素因数の和:20081

約数の個数: 48

約数和(自身を含む): 336873600

約数和(自身を除く): 199323740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 20051, 40102, 80204, 100255, 140357, 200510, 280714, 401020, 561428, 701785, 982499, 1403570, 1964998, 2807140, 3929996, 4912495, 6877493, 9824990, 13754986, 19649980, 27509972, 34387465, 68774930, 137549860]

約数ペア:

[(1, 137549860), (2, 68774930), (4, 34387465), (5, 27509972), (7, 19649980), (10, 13754986), (14, 9824990), (20, 6877493), (28, 4912495), (35, 3929996), (49, 2807140), (70, 1964998), (98, 1403570), (140, 982499), (196, 701785), (245, 561428), (343, 401020), (490, 280714), (686, 200510), (980, 140357), (1372, 100255), (1715, 80204), (3430, 40102), (6860, 20051)]