28704500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:354

約数の個数: 96

約数和(自身を含む): 72648576

約数和(自身を除く): 43944076

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 125, 170, 187, 220, 250, 275, 307, 340, 374, 425, 500, 550, 614, 748, 850, 935, 1100, 1228, 1375, 1535, 1700, 1870, 2125, 2750, 3070, 3377, 3740, 4250, 4675, 5219, 5500, 6140, 6754, 7675, 8500, 9350, 10438, 13508, 15350, 16885, 18700, 20876, 23375, 26095, 30700, 33770, 38375, 46750, 52190, 57409, 67540, 76750, 84425, 93500, 104380, 114818, 130475, 153500, 168850, 229636, 260950, 287045, 337700, 422125, 521900, 574090, 652375, 844250, 1148180, 1304750, 1435225, 1688500, 2609500, 2870450, 5740900, 7176125, 14352250, 28704500]

約数ペア:

[(1, 28704500), (2, 14352250), (4, 7176125), (5, 5740900), (10, 2870450), (11, 2609500), (17, 1688500), (20, 1435225), (22, 1304750), (25, 1148180), (34, 844250), (44, 652375), (50, 574090), (55, 521900), (68, 422125), (85, 337700), (100, 287045), (110, 260950), (125, 229636), (170, 168850), (187, 153500), (220, 130475), (250, 114818), (275, 104380), (307, 93500), (340, 84425), (374, 76750), (425, 67540), (500, 57409), (550, 52190), (614, 46750), (748, 38375), (850, 33770), (935, 30700), (1100, 26095), (1228, 23375), (1375, 20876), (1535, 18700), (1700, 16885), (1870, 15350), (2125, 13508), (2750, 10438), (3070, 9350), (3377, 8500), (3740, 7675), (4250, 6754), (4675, 6140), (5219, 5500)]