1969240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 5463360

約数和(自身を除く): 3494120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 541, 728, 910, 1082, 1820, 2164, 2705, 3640, 3787, 4328, 5410, 7033, 7574, 10820, 14066, 15148, 18935, 21640, 28132, 30296, 35165, 37870, 49231, 56264, 70330, 75740, 98462, 140660, 151480, 196924, 246155, 281320, 393848, 492310, 984620, 1969240]

約数ペア:

[(1, 1969240), (2, 984620), (4, 492310), (5, 393848), (7, 281320), (8, 246155), (10, 196924), (13, 151480), (14, 140660), (20, 98462), (26, 75740), (28, 70330), (35, 56264), (40, 49231), (52, 37870), (56, 35165), (65, 30296), (70, 28132), (91, 21640), (104, 18935), (130, 15148), (140, 14066), (182, 10820), (260, 7574), (280, 7033), (364, 5410), (455, 4328), (520, 3787), (541, 3640), (728, 2705), (910, 2164), (1082, 1820)]