788640125

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 128

約数和(自身を含む): 1320883200

約数和(自身を除く): 532243075

約数列:

[1, 5, 7, 13, 19, 25, 35, 41, 65, 89, 91, 95, 125, 133, 175, 205, 247, 287, 325, 445, 455, 475, 533, 623, 665, 779, 875, 1025, 1157, 1235, 1435, 1625, 1691, 1729, 2225, 2275, 2375, 2665, 3115, 3325, 3649, 3731, 3895, 5125, 5453, 5785, 6175, 7175, 8099, 8455, 8645, 10127, 11125, 11375, 11837, 13325, 15575, 16625, 18245, 18655, 19475, 21983, 25543, 27265, 28925, 30875, 35875, 40495, 42275, 43225, 47437, 50635, 59185, 66625, 69331, 70889, 77875, 91225, 93275, 97375, 109915, 127715, 136325, 144625, 153881, 202475, 211375, 216125, 237185, 253175, 295925, 332059, 346655, 354445, 456125, 466375, 485317, 549575, 638575, 681625, 769405, 901303, 1012375, 1185925, 1265875, 1479625, 1660295, 1733275, 1772225, 2426585, 2747875, 3192875, 3847025, 4506515, 5929625, 6309121, 8301475, 8666375, 8861125, 12132925, 19235125, 22532575, 31545605, 41507375, 60664625, 112662875, 157728025, 788640125]

約数ペア:

[(1, 788640125), (5, 157728025), (7, 112662875), (13, 60664625), (19, 41507375), (25, 31545605), (35, 22532575), (41, 19235125), (65, 12132925), (89, 8861125), (91, 8666375), (95, 8301475), (125, 6309121), (133, 5929625), (175, 4506515), (205, 3847025), (247, 3192875), (287, 2747875), (325, 2426585), (445, 1772225), (455, 1733275), (475, 1660295), (533, 1479625), (623, 1265875), (665, 1185925), (779, 1012375), (875, 901303), (1025, 769405), (1157, 681625), (1235, 638575), (1435, 549575), (1625, 485317), (1691, 466375), (1729, 456125), (2225, 354445), (2275, 346655), (2375, 332059), (2665, 295925), (3115, 253175), (3325, 237185), (3649, 216125), (3731, 211375), (3895, 202475), (5125, 153881), (5453, 144625), (5785, 136325), (6175, 127715), (7175, 109915), (8099, 97375), (8455, 93275), (8645, 91225), (10127, 77875), (11125, 70889), (11375, 69331), (11837, 66625), (13325, 59185), (15575, 50635), (16625, 47437), (18245, 43225), (18655, 42275), (19475, 40495), (21983, 35875), (25543, 30875), (27265, 28925)]