835780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 1995840

約数和(自身を除く): 1160060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 131, 145, 220, 262, 290, 319, 524, 580, 638, 655, 1276, 1310, 1441, 1595, 2620, 2882, 3190, 3799, 5764, 6380, 7205, 7598, 14410, 15196, 18995, 28820, 37990, 41789, 75980, 83578, 167156, 208945, 417890, 835780]

約数ペア:

[(1, 835780), (2, 417890), (4, 208945), (5, 167156), (10, 83578), (11, 75980), (20, 41789), (22, 37990), (29, 28820), (44, 18995), (55, 15196), (58, 14410), (110, 7598), (116, 7205), (131, 6380), (145, 5764), (220, 3799), (262, 3190), (290, 2882), (319, 2620), (524, 1595), (580, 1441), (638, 1310), (655, 1276)]