199946120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23917}}^1$

素因数の和:23958

約数の個数: 64

約数和(自身を含む): 516628800

約数和(自身を除く): 316682680

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 23917, 47834, 95668, 119585, 191336, 239170, 263087, 454423, 478340, 526174, 908846, 956680, 1052348, 1315435, 1817692, 2104696, 2272115, 2630870, 3635384, 4544230, 4998653, 5261740, 9088460, 9997306, 10523480, 18176920, 19994612, 24993265, 39989224, 49986530, 99973060, 199946120]

約数ペア:

[(1, 199946120), (2, 99973060), (4, 49986530), (5, 39989224), (8, 24993265), (10, 19994612), (11, 18176920), (19, 10523480), (20, 9997306), (22, 9088460), (38, 5261740), (40, 4998653), (44, 4544230), (55, 3635384), (76, 2630870), (88, 2272115), (95, 2104696), (110, 1817692), (152, 1315435), (190, 1052348), (209, 956680), (220, 908846), (380, 526174), (418, 478340), (440, 454423), (760, 263087), (836, 239170), (1045, 191336), (1672, 119585), (2090, 95668), (4180, 47834), (8360, 23917)]