9978100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 24248448

約数和(自身を除く): 14270348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 47, 50, 55, 94, 100, 110, 188, 193, 220, 235, 275, 386, 470, 517, 550, 772, 940, 965, 1034, 1100, 1175, 1930, 2068, 2123, 2350, 2585, 3860, 4246, 4700, 4825, 5170, 8492, 9071, 9650, 10340, 10615, 12925, 18142, 19300, 21230, 25850, 36284, 42460, 45355, 51700, 53075, 90710, 99781, 106150, 181420, 199562, 212300, 226775, 399124, 453550, 498905, 907100, 997810, 1995620, 2494525, 4989050, 9978100]

約数ペア:

[(1, 9978100), (2, 4989050), (4, 2494525), (5, 1995620), (10, 997810), (11, 907100), (20, 498905), (22, 453550), (25, 399124), (44, 226775), (47, 212300), (50, 199562), (55, 181420), (94, 106150), (100, 99781), (110, 90710), (188, 53075), (193, 51700), (220, 45355), (235, 42460), (275, 36284), (386, 25850), (470, 21230), (517, 19300), (550, 18142), (772, 12925), (940, 10615), (965, 10340), (1034, 9650), (1100, 9071), (1175, 8492), (1930, 5170), (2068, 4825), (2123, 4700), (2350, 4246), (2585, 3860)]