149968480

素因数分解:

$2^5\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2237}}^1$

素因数の和:2671

約数の個数: 48

約数和(自身を含む): 355304880

約数和(自身を除く): 205336400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 419, 838, 1676, 2095, 2237, 3352, 4190, 4474, 6704, 8380, 8948, 11185, 13408, 16760, 17896, 22370, 33520, 35792, 44740, 67040, 71584, 89480, 178960, 357920, 937303, 1874606, 3749212, 4686515, 7498424, 9373030, 14996848, 18746060, 29993696, 37492120, 74984240, 149968480]

約数ペア:

[(1, 149968480), (2, 74984240), (4, 37492120), (5, 29993696), (8, 18746060), (10, 14996848), (16, 9373030), (20, 7498424), (32, 4686515), (40, 3749212), (80, 1874606), (160, 937303), (419, 357920), (838, 178960), (1676, 89480), (2095, 71584), (2237, 67040), (3352, 44740), (4190, 35792), (4474, 33520), (6704, 22370), (8380, 17896), (8948, 16760), (11185, 13408)]