987740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 2328480

約数和(自身を除く): 1340740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 131, 145, 260, 262, 290, 377, 524, 580, 655, 754, 1310, 1508, 1703, 1885, 2620, 3406, 3770, 3799, 6812, 7540, 7598, 8515, 15196, 17030, 18995, 34060, 37990, 49387, 75980, 98774, 197548, 246935, 493870, 987740]

約数ペア:

[(1, 987740), (2, 493870), (4, 246935), (5, 197548), (10, 98774), (13, 75980), (20, 49387), (26, 37990), (29, 34060), (52, 18995), (58, 17030), (65, 15196), (116, 8515), (130, 7598), (131, 7540), (145, 6812), (260, 3799), (262, 3770), (290, 3406), (377, 2620), (524, 1885), (580, 1703), (655, 1508), (754, 1310)]