208864240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4273}}^1$

素因数の和:4346

約数の個数: 80

約数和(自身を含む): 534215808

約数和(自身を除く): 325351568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 611, 752, 940, 1040, 1222, 1880, 2444, 3055, 3760, 4273, 4888, 6110, 8546, 9776, 12220, 17092, 21365, 24440, 34184, 42730, 48880, 55549, 68368, 85460, 111098, 170920, 200831, 222196, 277745, 341840, 401662, 444392, 555490, 803324, 888784, 1004155, 1110980, 1606648, 2008310, 2221960, 2610803, 3213296, 4016620, 4443920, 5221606, 8033240, 10443212, 13054015, 16066480, 20886424, 26108030, 41772848, 52216060, 104432120, 208864240]

約数ペア:

[(1, 208864240), (2, 104432120), (4, 52216060), (5, 41772848), (8, 26108030), (10, 20886424), (13, 16066480), (16, 13054015), (20, 10443212), (26, 8033240), (40, 5221606), (47, 4443920), (52, 4016620), (65, 3213296), (80, 2610803), (94, 2221960), (104, 2008310), (130, 1606648), (188, 1110980), (208, 1004155), (235, 888784), (260, 803324), (376, 555490), (470, 444392), (520, 401662), (611, 341840), (752, 277745), (940, 222196), (1040, 200831), (1222, 170920), (1880, 111098), (2444, 85460), (3055, 68368), (3760, 55549), (4273, 48880), (4888, 42730), (6110, 34184), (8546, 24440), (9776, 21365), (12220, 17092)]