100103420

素因数分解:

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

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 216881280

約数和(自身を除く): 116777860

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 109, 188, 218, 235, 436, 470, 545, 940, 977, 1090, 1954, 2180, 3908, 4885, 5123, 9770, 10246, 19540, 20492, 25615, 45919, 51230, 91838, 102460, 106493, 183676, 212986, 229595, 425972, 459190, 532465, 918380, 1064930, 2129860, 5005171, 10010342, 20020684, 25025855, 50051710, 100103420]

約数ペア:

[(1, 100103420), (2, 50051710), (4, 25025855), (5, 20020684), (10, 10010342), (20, 5005171), (47, 2129860), (94, 1064930), (109, 918380), (188, 532465), (218, 459190), (235, 425972), (436, 229595), (470, 212986), (545, 183676), (940, 106493), (977, 102460), (1090, 91838), (1954, 51230), (2180, 45919), (3908, 25615), (4885, 20492), (5123, 19540), (9770, 10246)]