28918020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28351}}^1$

素因数の和:28380

約数の個数: 48

約数和(自身を含む): 85736448

約数和(自身を除く): 56818428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 28351, 56702, 85053, 113404, 141755, 170106, 283510, 340212, 425265, 481967, 567020, 850530, 963934, 1445901, 1701060, 1927868, 2409835, 2891802, 4819670, 5783604, 7229505, 9639340, 14459010, 28918020]

約数ペア:

[(1, 28918020), (2, 14459010), (3, 9639340), (4, 7229505), (5, 5783604), (6, 4819670), (10, 2891802), (12, 2409835), (15, 1927868), (17, 1701060), (20, 1445901), (30, 963934), (34, 850530), (51, 567020), (60, 481967), (68, 425265), (85, 340212), (102, 283510), (170, 170106), (204, 141755), (255, 113404), (340, 85053), (510, 56702), (1020, 28351)]