287391970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 564350976

約数和(自身を除く): 276959006

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 167, 170, 191, 265, 334, 382, 530, 835, 901, 955, 1670, 1802, 1910, 2839, 3247, 4505, 5678, 6494, 8851, 9010, 10123, 14195, 16235, 17702, 20246, 28390, 31897, 32470, 44255, 50615, 63794, 88510, 101230, 150467, 159485, 172091, 300934, 318970, 344182, 542249, 752335, 860455, 1084498, 1504670, 1690541, 1720910, 2711245, 3381082, 5422490, 8452705, 16905410, 28739197, 57478394, 143695985, 287391970]

約数ペア:

[(1, 287391970), (2, 143695985), (5, 57478394), (10, 28739197), (17, 16905410), (34, 8452705), (53, 5422490), (85, 3381082), (106, 2711245), (167, 1720910), (170, 1690541), (191, 1504670), (265, 1084498), (334, 860455), (382, 752335), (530, 542249), (835, 344182), (901, 318970), (955, 300934), (1670, 172091), (1802, 159485), (1910, 150467), (2839, 101230), (3247, 88510), (4505, 63794), (5678, 50615), (6494, 44255), (8851, 32470), (9010, 31897), (10123, 28390), (14195, 20246), (16235, 17702)]