673891640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 1604370240

約数和(自身を除く): 930478600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 373, 376, 470, 620, 746, 940, 961, 1240, 1457, 1492, 1865, 1880, 1922, 2914, 2984, 3730, 3844, 4805, 5828, 7285, 7460, 7688, 9610, 11563, 11656, 14570, 14920, 17531, 19220, 23126, 29140, 35062, 38440, 45167, 46252, 57815, 58280, 70124, 87655, 90334, 92504, 115630, 140248, 175310, 180668, 225835, 231260, 350620, 358453, 361336, 451670, 462520, 543461, 701240, 716906, 903340, 1086922, 1433812, 1792265, 1806680, 2173844, 2717305, 2867624, 3584530, 4347688, 5434610, 7169060, 10869220, 14338120, 16847291, 21738440, 33694582, 67389164, 84236455, 134778328, 168472910, 336945820, 673891640]

約数ペア:

[(1, 673891640), (2, 336945820), (4, 168472910), (5, 134778328), (8, 84236455), (10, 67389164), (20, 33694582), (31, 21738440), (40, 16847291), (47, 14338120), (62, 10869220), (94, 7169060), (124, 5434610), (155, 4347688), (188, 3584530), (235, 2867624), (248, 2717305), (310, 2173844), (373, 1806680), (376, 1792265), (470, 1433812), (620, 1086922), (746, 903340), (940, 716906), (961, 701240), (1240, 543461), (1457, 462520), (1492, 451670), (1865, 361336), (1880, 358453), (1922, 350620), (2914, 231260), (2984, 225835), (3730, 180668), (3844, 175310), (4805, 140248), (5828, 115630), (7285, 92504), (7460, 90334), (7688, 87655), (9610, 70124), (11563, 58280), (11656, 57815), (14570, 46252), (14920, 45167), (17531, 38440), (19220, 35062), (23126, 29140)]