28628028400

素因数分解:

$2^4\times 5^2\times {\mathrm{14639}}^1\times {\mathrm{4889}}^1$

素因数の和:19546

約数の個数: 60

約数和(自身を含む): 68797605600

約数和(自身を除く): 40169577200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 4889, 9778, 14639, 19556, 24445, 29278, 39112, 48890, 58556, 73195, 78224, 97780, 117112, 122225, 146390, 195560, 234224, 244450, 292780, 365975, 391120, 488900, 585560, 731950, 977800, 1171120, 1463900, 1955600, 2927800, 5855600, 71570071, 143140142, 286280284, 357850355, 572560568, 715700710, 1145121136, 1431401420, 1789251775, 2862802840, 3578503550, 5725605680, 7157007100, 14314014200, 28628028400]

約数ペア:

[(1, 28628028400), (2, 14314014200), (4, 7157007100), (5, 5725605680), (8, 3578503550), (10, 2862802840), (16, 1789251775), (20, 1431401420), (25, 1145121136), (40, 715700710), (50, 572560568), (80, 357850355), (100, 286280284), (200, 143140142), (400, 71570071), (4889, 5855600), (9778, 2927800), (14639, 1955600), (19556, 1463900), (24445, 1171120), (29278, 977800), (39112, 731950), (48890, 585560), (58556, 488900), (73195, 391120), (78224, 365975), (97780, 292780), (117112, 244450), (122225, 234224), (146390, 195560)]