1649480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 4371840

約数和(自身を除く): 2722360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 137, 140, 172, 215, 274, 280, 301, 344, 430, 548, 602, 685, 860, 959, 1096, 1204, 1370, 1505, 1720, 1918, 2408, 2740, 3010, 3836, 4795, 5480, 5891, 6020, 7672, 9590, 11782, 12040, 19180, 23564, 29455, 38360, 41237, 47128, 58910, 82474, 117820, 164948, 206185, 235640, 329896, 412370, 824740, 1649480]

約数ペア:

[(1, 1649480), (2, 824740), (4, 412370), (5, 329896), (7, 235640), (8, 206185), (10, 164948), (14, 117820), (20, 82474), (28, 58910), (35, 47128), (40, 41237), (43, 38360), (56, 29455), (70, 23564), (86, 19180), (137, 12040), (140, 11782), (172, 9590), (215, 7672), (274, 6020), (280, 5891), (301, 5480), (344, 4795), (430, 3836), (548, 3010), (602, 2740), (685, 2408), (860, 1918), (959, 1720), (1096, 1505), (1204, 1370)]