191813778820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{1256477}}^1$

素因数の和:1256952

約数の個数: 48

約数和(自身を含む): 427453815600

約数和(自身を除く): 235640036780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 449, 898, 1796, 2245, 4490, 7633, 8980, 15266, 30532, 38165, 76330, 152660, 1256477, 2512954, 5025908, 6282385, 12564770, 21360109, 25129540, 42720218, 85440436, 106800545, 213601090, 427202180, 564158173, 1128316346, 2256632692, 2820790865, 5641581730, 9590688941, 11283163460, 19181377882, 38362755764, 47953444705, 95906889410, 191813778820]

約数ペア:

[(1, 191813778820), (2, 95906889410), (4, 47953444705), (5, 38362755764), (10, 19181377882), (17, 11283163460), (20, 9590688941), (34, 5641581730), (68, 2820790865), (85, 2256632692), (170, 1128316346), (340, 564158173), (449, 427202180), (898, 213601090), (1796, 106800545), (2245, 85440436), (4490, 42720218), (7633, 25129540), (8980, 21360109), (15266, 12564770), (30532, 6282385), (38165, 5025908), (76330, 2512954), (152660, 1256477)]