1990230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 5384448

約数和(自身を除く): 3394218

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 110, 111, 163, 165, 185, 222, 326, 330, 370, 407, 489, 555, 814, 815, 978, 1110, 1221, 1630, 1793, 2035, 2442, 2445, 3586, 4070, 4890, 5379, 6031, 6105, 8965, 10758, 12062, 12210, 17930, 18093, 26895, 30155, 36186, 53790, 60310, 66341, 90465, 132682, 180930, 199023, 331705, 398046, 663410, 995115, 1990230]

約数ペア:

[(1, 1990230), (2, 995115), (3, 663410), (5, 398046), (6, 331705), (10, 199023), (11, 180930), (15, 132682), (22, 90465), (30, 66341), (33, 60310), (37, 53790), (55, 36186), (66, 30155), (74, 26895), (110, 18093), (111, 17930), (163, 12210), (165, 12062), (185, 10758), (222, 8965), (326, 6105), (330, 6031), (370, 5379), (407, 4890), (489, 4070), (555, 3586), (814, 2445), (815, 2442), (978, 2035), (1110, 1793), (1221, 1630)]