205990080625

素因数分解:

$5^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{2473}}^1$

素因数の和:2820

約数の個数: 80

約数和(自身を含む): 299258206720

約数和(自身を除く): 93268126095

約数列:

[1, 5, 7, 25, 35, 79, 125, 175, 241, 395, 553, 625, 875, 1205, 1687, 1975, 2473, 2765, 4375, 6025, 8435, 9875, 12365, 13825, 17311, 19039, 30125, 42175, 49375, 61825, 69125, 86555, 95195, 133273, 150625, 195367, 210875, 309125, 345625, 432775, 475975, 595993, 666365, 976835, 1054375, 1367569, 1545625, 2163875, 2379875, 2979965, 3331825, 4171951, 4884175, 6837845, 10819375, 11899375, 14899825, 16659125, 20859755, 24420875, 34189225, 47083447, 74499125, 83295625, 104298775, 122104375, 170946125, 235417235, 329584129, 372495625, 521493875, 854730625, 1177086175, 1647920645, 2607469375, 5885430875, 8239603225, 29427154375, 41198016125, 205990080625]

約数ペア:

[(1, 205990080625), (5, 41198016125), (7, 29427154375), (25, 8239603225), (35, 5885430875), (79, 2607469375), (125, 1647920645), (175, 1177086175), (241, 854730625), (395, 521493875), (553, 372495625), (625, 329584129), (875, 235417235), (1205, 170946125), (1687, 122104375), (1975, 104298775), (2473, 83295625), (2765, 74499125), (4375, 47083447), (6025, 34189225), (8435, 24420875), (9875, 20859755), (12365, 16659125), (13825, 14899825), (17311, 11899375), (19039, 10819375), (30125, 6837845), (42175, 4884175), (49375, 4171951), (61825, 3331825), (69125, 2979965), (86555, 2379875), (95195, 2163875), (133273, 1545625), (150625, 1367569), (195367, 1054375), (210875, 976835), (309125, 666365), (345625, 595993), (432775, 475975)]