17764984775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{1621}}^1$

素因数の和:1920

約数の個数: 48

約数和(自身を含む): 23169945600

約数和(自身を除く): 5404960825

約数列:

[1, 5, 25, 31, 79, 155, 179, 395, 775, 895, 1621, 1975, 2449, 4475, 5549, 8105, 12245, 14141, 27745, 40525, 50251, 61225, 70705, 128059, 138725, 251255, 290159, 353525, 438371, 640295, 1256275, 1450795, 2191855, 3201475, 3969829, 7253975, 8994929, 10959275, 19849145, 22922561, 44974645, 99245725, 114612805, 224873225, 573064025, 710599391, 3552996955, 17764984775]

約数ペア:

[(1, 17764984775), (5, 3552996955), (25, 710599391), (31, 573064025), (79, 224873225), (155, 114612805), (179, 99245725), (395, 44974645), (775, 22922561), (895, 19849145), (1621, 10959275), (1975, 8994929), (2449, 7253975), (4475, 3969829), (5549, 3201475), (8105, 2191855), (12245, 1450795), (14141, 1256275), (27745, 640295), (40525, 438371), (50251, 353525), (61225, 290159), (70705, 251255), (128059, 138725)]