208292720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1787}}^1$

素因数の和:1878

約数の個数: 80

約数和(自身を含む): 510824448

約数和(自身を除く): 302531728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 470, 496, 620, 752, 940, 1240, 1457, 1787, 1880, 2480, 2914, 3574, 3760, 5828, 7148, 7285, 8935, 11656, 14296, 14570, 17870, 23312, 28592, 29140, 35740, 55397, 58280, 71480, 83989, 110794, 116560, 142960, 167978, 221588, 276985, 335956, 419945, 443176, 553970, 671912, 839890, 886352, 1107940, 1343824, 1679780, 2215880, 2603659, 3359560, 4431760, 5207318, 6719120, 10414636, 13018295, 20829272, 26036590, 41658544, 52073180, 104146360, 208292720]

約数ペア:

[(1, 208292720), (2, 104146360), (4, 52073180), (5, 41658544), (8, 26036590), (10, 20829272), (16, 13018295), (20, 10414636), (31, 6719120), (40, 5207318), (47, 4431760), (62, 3359560), (80, 2603659), (94, 2215880), (124, 1679780), (155, 1343824), (188, 1107940), (235, 886352), (248, 839890), (310, 671912), (376, 553970), (470, 443176), (496, 419945), (620, 335956), (752, 276985), (940, 221588), (1240, 167978), (1457, 142960), (1787, 116560), (1880, 110794), (2480, 83989), (2914, 71480), (3574, 58280), (3760, 55397), (5828, 35740), (7148, 29140), (7285, 28592), (8935, 23312), (11656, 17870), (14296, 14570)]