1975480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 4989600

約数和(自身を除く): 3014120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 131, 145, 232, 260, 262, 290, 377, 520, 524, 580, 655, 754, 1048, 1160, 1310, 1508, 1703, 1885, 2620, 3016, 3406, 3770, 3799, 5240, 6812, 7540, 7598, 8515, 13624, 15080, 15196, 17030, 18995, 30392, 34060, 37990, 49387, 68120, 75980, 98774, 151960, 197548, 246935, 395096, 493870, 987740, 1975480]

約数ペア:

[(1, 1975480), (2, 987740), (4, 493870), (5, 395096), (8, 246935), (10, 197548), (13, 151960), (20, 98774), (26, 75980), (29, 68120), (40, 49387), (52, 37990), (58, 34060), (65, 30392), (104, 18995), (116, 17030), (130, 15196), (131, 15080), (145, 13624), (232, 8515), (260, 7598), (262, 7540), (290, 6812), (377, 5240), (520, 3799), (524, 3770), (580, 3406), (655, 3016), (754, 2620), (1048, 1885), (1160, 1703), (1310, 1508)]