78082550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^2$

素因数の和:294

約数の個数: 72

約数和(自身を含む): 180123888

約数和(自身を除く): 102041338

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 131, 175, 182, 262, 325, 350, 455, 650, 655, 910, 917, 1310, 1703, 1834, 2275, 3275, 3406, 4550, 4585, 6550, 8515, 9170, 11921, 17030, 17161, 22925, 23842, 34322, 42575, 45850, 59605, 85150, 85805, 119210, 120127, 171610, 223093, 240254, 298025, 429025, 446186, 596050, 600635, 858050, 1115465, 1201270, 1561651, 2230930, 3003175, 3123302, 5577325, 6006350, 7808255, 11154650, 15616510, 39041275, 78082550]

約数ペア:

[(1, 78082550), (2, 39041275), (5, 15616510), (7, 11154650), (10, 7808255), (13, 6006350), (14, 5577325), (25, 3123302), (26, 3003175), (35, 2230930), (50, 1561651), (65, 1201270), (70, 1115465), (91, 858050), (130, 600635), (131, 596050), (175, 446186), (182, 429025), (262, 298025), (325, 240254), (350, 223093), (455, 171610), (650, 120127), (655, 119210), (910, 85805), (917, 85150), (1310, 59605), (1703, 45850), (1834, 42575), (2275, 34322), (3275, 23842), (3406, 22925), (4550, 17161), (4585, 17030), (6550, 11921), (8515, 9170)]