189997360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{691}}^1$

素因数の和:1202

約数の個数: 80

約数和(自身を含む): 506610432

約数和(自身を除く): 316613072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 491, 560, 691, 982, 1382, 1964, 2455, 2764, 3437, 3455, 3928, 4837, 4910, 5528, 6874, 6910, 7856, 9674, 9820, 11056, 13748, 13820, 17185, 19348, 19640, 24185, 27496, 27640, 34370, 38696, 39280, 48370, 54992, 55280, 68740, 77392, 96740, 137480, 193480, 274960, 339281, 386960, 678562, 1357124, 1696405, 2374967, 2714248, 3392810, 4749934, 5428496, 6785620, 9499868, 11874835, 13571240, 18999736, 23749670, 27142480, 37999472, 47499340, 94998680, 189997360]

約数ペア:

[(1, 189997360), (2, 94998680), (4, 47499340), (5, 37999472), (7, 27142480), (8, 23749670), (10, 18999736), (14, 13571240), (16, 11874835), (20, 9499868), (28, 6785620), (35, 5428496), (40, 4749934), (56, 3392810), (70, 2714248), (80, 2374967), (112, 1696405), (140, 1357124), (280, 678562), (491, 386960), (560, 339281), (691, 274960), (982, 193480), (1382, 137480), (1964, 96740), (2455, 77392), (2764, 68740), (3437, 55280), (3455, 54992), (3928, 48370), (4837, 39280), (4910, 38696), (5528, 34370), (6874, 27640), (6910, 27496), (7856, 24185), (9674, 19640), (9820, 19348), (11056, 17185), (13748, 13820)]