803420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1$

素因数の和:182

約数の個数: 36

約数和(自身を含む): 1805160

約数和(自身を除く): 1001740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 289, 340, 556, 578, 695, 1156, 1390, 1445, 2363, 2780, 2890, 4726, 5780, 9452, 11815, 23630, 40171, 47260, 80342, 160684, 200855, 401710, 803420]

約数ペア:

[(1, 803420), (2, 401710), (4, 200855), (5, 160684), (10, 80342), (17, 47260), (20, 40171), (34, 23630), (68, 11815), (85, 9452), (139, 5780), (170, 4726), (278, 2890), (289, 2780), (340, 2363), (556, 1445), (578, 1390), (695, 1156)]