809010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 2148120

約数和(自身を除く): 1339110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 101, 178, 202, 267, 303, 445, 505, 534, 606, 801, 890, 909, 1010, 1335, 1515, 1602, 1818, 2670, 3030, 4005, 4545, 8010, 8989, 9090, 17978, 26967, 44945, 53934, 80901, 89890, 134835, 161802, 269670, 404505, 809010]

約数ペア:

[(1, 809010), (2, 404505), (3, 269670), (5, 161802), (6, 134835), (9, 89890), (10, 80901), (15, 53934), (18, 44945), (30, 26967), (45, 17978), (89, 9090), (90, 8989), (101, 8010), (178, 4545), (202, 4005), (267, 3030), (303, 2670), (445, 1818), (505, 1602), (534, 1515), (606, 1335), (801, 1010), (890, 909)]