2005604900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{6737}}^1$

素因数の和:6993

約数の個数: 72

約数和(自身を含む): 4708110120

約数和(自身を除く): 2702505220

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 229, 260, 325, 458, 650, 916, 1145, 1300, 2290, 2977, 4580, 5725, 5954, 6737, 11450, 11908, 13474, 14885, 22900, 26948, 29770, 33685, 59540, 67370, 74425, 87581, 134740, 148850, 168425, 175162, 297700, 336850, 350324, 437905, 673700, 875810, 1542773, 1751620, 2189525, 3085546, 4379050, 6171092, 7713865, 8758100, 15427730, 20056049, 30855460, 38569325, 40112098, 77138650, 80224196, 100280245, 154277300, 200560490, 401120980, 501401225, 1002802450, 2005604900]

約数ペア:

[(1, 2005604900), (2, 1002802450), (4, 501401225), (5, 401120980), (10, 200560490), (13, 154277300), (20, 100280245), (25, 80224196), (26, 77138650), (50, 40112098), (52, 38569325), (65, 30855460), (100, 20056049), (130, 15427730), (229, 8758100), (260, 7713865), (325, 6171092), (458, 4379050), (650, 3085546), (916, 2189525), (1145, 1751620), (1300, 1542773), (2290, 875810), (2977, 673700), (4580, 437905), (5725, 350324), (5954, 336850), (6737, 297700), (11450, 175162), (11908, 168425), (13474, 148850), (14885, 134740), (22900, 87581), (26948, 74425), (29770, 67370), (33685, 59540)]