428427400

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{35117}}^1$

素因数の和:35194

約数の個数: 48

約数和(自身を含む): 1012451940

約数和(自身を除く): 584024540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 6100, 12200, 35117, 70234, 140468, 175585, 280936, 351170, 702340, 877925, 1404680, 1755850, 2142137, 3511700, 4284274, 7023400, 8568548, 10710685, 17137096, 21421370, 42842740, 53553425, 85685480, 107106850, 214213700, 428427400]

約数ペア:

[(1, 428427400), (2, 214213700), (4, 107106850), (5, 85685480), (8, 53553425), (10, 42842740), (20, 21421370), (25, 17137096), (40, 10710685), (50, 8568548), (61, 7023400), (100, 4284274), (122, 3511700), (200, 2142137), (244, 1755850), (305, 1404680), (488, 877925), (610, 702340), (1220, 351170), (1525, 280936), (2440, 175585), (3050, 140468), (6100, 70234), (12200, 35117)]