3938480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 11290944

約数和(自身を除く): 7352464

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 541, 560, 728, 910, 1040, 1082, 1456, 1820, 2164, 2705, 3640, 3787, 4328, 5410, 7033, 7280, 7574, 8656, 10820, 14066, 15148, 18935, 21640, 28132, 30296, 35165, 37870, 43280, 49231, 56264, 60592, 70330, 75740, 98462, 112528, 140660, 151480, 196924, 246155, 281320, 302960, 393848, 492310, 562640, 787696, 984620, 1969240, 3938480]

約数ペア:

[(1, 3938480), (2, 1969240), (4, 984620), (5, 787696), (7, 562640), (8, 492310), (10, 393848), (13, 302960), (14, 281320), (16, 246155), (20, 196924), (26, 151480), (28, 140660), (35, 112528), (40, 98462), (52, 75740), (56, 70330), (65, 60592), (70, 56264), (80, 49231), (91, 43280), (104, 37870), (112, 35165), (130, 30296), (140, 28132), (182, 21640), (208, 18935), (260, 15148), (280, 14066), (364, 10820), (455, 8656), (520, 7574), (541, 7280), (560, 7033), (728, 5410), (910, 4328), (1040, 3787), (1082, 3640), (1456, 2705), (1820, 2164)]