249452500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:275

約数の個数: 120

約数和(自身を含む): 610904448

約数和(自身を除く): 361451948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 47, 50, 55, 94, 100, 110, 125, 188, 193, 220, 235, 250, 275, 386, 470, 500, 517, 550, 625, 772, 940, 965, 1034, 1100, 1175, 1250, 1375, 1930, 2068, 2123, 2350, 2500, 2585, 2750, 3860, 4246, 4700, 4825, 5170, 5500, 5875, 6875, 8492, 9071, 9650, 10340, 10615, 11750, 12925, 13750, 18142, 19300, 21230, 23500, 24125, 25850, 27500, 29375, 36284, 42460, 45355, 48250, 51700, 53075, 58750, 64625, 90710, 96500, 99781, 106150, 117500, 120625, 129250, 181420, 199562, 212300, 226775, 241250, 258500, 265375, 323125, 399124, 453550, 482500, 498905, 530750, 646250, 907100, 997810, 1061500, 1133875, 1292500, 1326875, 1995620, 2267750, 2494525, 2653750, 4535500, 4989050, 5307500, 5669375, 9978100, 11338750, 12472625, 22677500, 24945250, 49890500, 62363125, 124726250, 249452500]

約数ペア:

[(1, 249452500), (2, 124726250), (4, 62363125), (5, 49890500), (10, 24945250), (11, 22677500), (20, 12472625), (22, 11338750), (25, 9978100), (44, 5669375), (47, 5307500), (50, 4989050), (55, 4535500), (94, 2653750), (100, 2494525), (110, 2267750), (125, 1995620), (188, 1326875), (193, 1292500), (220, 1133875), (235, 1061500), (250, 997810), (275, 907100), (386, 646250), (470, 530750), (500, 498905), (517, 482500), (550, 453550), (625, 399124), (772, 323125), (940, 265375), (965, 258500), (1034, 241250), (1100, 226775), (1175, 212300), (1250, 199562), (1375, 181420), (1930, 129250), (2068, 120625), (2123, 117500), (2350, 106150), (2500, 99781), (2585, 96500), (2750, 90710), (3860, 64625), (4246, 58750), (4700, 53075), (4825, 51700), (5170, 48250), (5500, 45355), (5875, 42460), (6875, 36284), (8492, 29375), (9071, 27500), (9650, 25850), (10340, 24125), (10615, 23500), (11750, 21230), (12925, 19300), (13750, 18142)]