28348180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 73979136

約数和(自身を除く): 45630956

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 43, 68, 70, 85, 86, 119, 140, 170, 172, 215, 238, 277, 301, 340, 430, 476, 554, 595, 602, 731, 860, 1108, 1190, 1204, 1385, 1462, 1505, 1939, 2380, 2770, 2924, 3010, 3655, 3878, 4709, 5117, 5540, 6020, 7310, 7756, 9418, 9695, 10234, 11911, 14620, 18836, 19390, 20468, 23545, 23822, 25585, 32963, 38780, 47090, 47644, 51170, 59555, 65926, 83377, 94180, 102340, 119110, 131852, 164815, 166754, 202487, 238220, 329630, 333508, 404974, 416885, 659260, 809948, 833770, 1012435, 1417409, 1667540, 2024870, 2834818, 4049740, 5669636, 7087045, 14174090, 28348180]

約数ペア:

[(1, 28348180), (2, 14174090), (4, 7087045), (5, 5669636), (7, 4049740), (10, 2834818), (14, 2024870), (17, 1667540), (20, 1417409), (28, 1012435), (34, 833770), (35, 809948), (43, 659260), (68, 416885), (70, 404974), (85, 333508), (86, 329630), (119, 238220), (140, 202487), (170, 166754), (172, 164815), (215, 131852), (238, 119110), (277, 102340), (301, 94180), (340, 83377), (430, 65926), (476, 59555), (554, 51170), (595, 47644), (602, 47090), (731, 38780), (860, 32963), (1108, 25585), (1190, 23822), (1204, 23545), (1385, 20468), (1462, 19390), (1505, 18836), (1939, 14620), (2380, 11911), (2770, 10234), (2924, 9695), (3010, 9418), (3655, 7756), (3878, 7310), (4709, 6020), (5117, 5540)]