200206840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{977}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 464745600

約数和(自身を除く): 264538760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 109, 188, 218, 235, 376, 436, 470, 545, 872, 940, 977, 1090, 1880, 1954, 2180, 3908, 4360, 4885, 5123, 7816, 9770, 10246, 19540, 20492, 25615, 39080, 40984, 45919, 51230, 91838, 102460, 106493, 183676, 204920, 212986, 229595, 367352, 425972, 459190, 532465, 851944, 918380, 1064930, 1836760, 2129860, 4259720, 5005171, 10010342, 20020684, 25025855, 40041368, 50051710, 100103420, 200206840]

約数ペア:

[(1, 200206840), (2, 100103420), (4, 50051710), (5, 40041368), (8, 25025855), (10, 20020684), (20, 10010342), (40, 5005171), (47, 4259720), (94, 2129860), (109, 1836760), (188, 1064930), (218, 918380), (235, 851944), (376, 532465), (436, 459190), (470, 425972), (545, 367352), (872, 229595), (940, 212986), (977, 204920), (1090, 183676), (1880, 106493), (1954, 102460), (2180, 91838), (3908, 51230), (4360, 45919), (4885, 40984), (5123, 39080), (7816, 25615), (9770, 20492), (10246, 19540)]