287495740

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{5987}}^1$

素因数の和:6024

約数の個数: 60

約数和(自身を含む): 704440296

約数和(自身を除く): 416944556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2401, 3430, 4802, 5987, 6860, 9604, 11974, 12005, 23948, 24010, 29935, 41909, 48020, 59870, 83818, 119740, 167636, 209545, 293363, 419090, 586726, 838180, 1173452, 1466815, 2053541, 2933630, 4107082, 5867260, 8214164, 10267705, 14374787, 20535410, 28749574, 41070820, 57499148, 71873935, 143747870, 287495740]

約数ペア:

[(1, 287495740), (2, 143747870), (4, 71873935), (5, 57499148), (7, 41070820), (10, 28749574), (14, 20535410), (20, 14374787), (28, 10267705), (35, 8214164), (49, 5867260), (70, 4107082), (98, 2933630), (140, 2053541), (196, 1466815), (245, 1173452), (343, 838180), (490, 586726), (686, 419090), (980, 293363), (1372, 209545), (1715, 167636), (2401, 119740), (3430, 83818), (4802, 59870), (5987, 48020), (6860, 41909), (9604, 29935), (11974, 24010), (12005, 23948)]