1772225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 2916480

約数和(自身を除く): 1144255

約数列:

[1, 5, 7, 13, 19, 25, 35, 41, 65, 91, 95, 133, 175, 205, 247, 287, 325, 455, 475, 533, 665, 779, 1025, 1235, 1435, 1729, 2275, 2665, 3325, 3731, 3895, 5453, 6175, 7175, 8645, 10127, 13325, 18655, 19475, 27265, 43225, 50635, 70889, 93275, 136325, 253175, 354445, 1772225]

約数ペア:

[(1, 1772225), (5, 354445), (7, 253175), (13, 136325), (19, 93275), (25, 70889), (35, 50635), (41, 43225), (65, 27265), (91, 19475), (95, 18655), (133, 13325), (175, 10127), (205, 8645), (247, 7175), (287, 6175), (325, 5453), (455, 3895), (475, 3731), (533, 3325), (665, 2665), (779, 2275), (1025, 1729), (1235, 1435)]