87845740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^3$

素因数の和:116

約数の個数: 72

約数和(自身を含む): 203545440

約数和(自身を除く): 115699700

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 361, 380, 437, 460, 529, 722, 874, 1058, 1444, 1748, 1805, 2116, 2185, 2645, 3610, 4370, 5290, 7220, 8303, 8740, 10051, 10580, 12167, 16606, 20102, 24334, 33212, 40204, 41515, 48668, 50255, 60835, 83030, 100510, 121670, 166060, 190969, 201020, 231173, 243340, 381938, 462346, 763876, 924692, 954845, 1155865, 1909690, 2311730, 3819380, 4392287, 4623460, 8784574, 17569148, 21961435, 43922870, 87845740]

約数ペア:

[(1, 87845740), (2, 43922870), (4, 21961435), (5, 17569148), (10, 8784574), (19, 4623460), (20, 4392287), (23, 3819380), (38, 2311730), (46, 1909690), (76, 1155865), (92, 954845), (95, 924692), (115, 763876), (190, 462346), (230, 381938), (361, 243340), (380, 231173), (437, 201020), (460, 190969), (529, 166060), (722, 121670), (874, 100510), (1058, 83030), (1444, 60835), (1748, 50255), (1805, 48668), (2116, 41515), (2185, 40204), (2645, 33212), (3610, 24334), (4370, 20102), (5290, 16606), (7220, 12167), (8303, 10580), (8740, 10051)]