131458910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2029}}^1$

素因数の和:2097

約数の個数: 64

約数和(自身を含む): 280627200

約数和(自身を除く): 149168290

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 110, 155, 190, 209, 310, 341, 418, 589, 682, 1045, 1178, 1705, 2029, 2090, 2945, 3410, 4058, 5890, 6479, 10145, 12958, 20290, 22319, 32395, 38551, 44638, 62899, 64790, 77102, 111595, 125798, 192755, 223190, 314495, 385510, 424061, 628990, 691889, 848122, 1195081, 1383778, 2120305, 2390162, 3459445, 4240610, 5975405, 6918890, 11950810, 13145891, 26291782, 65729455, 131458910]

約数ペア:

[(1, 131458910), (2, 65729455), (5, 26291782), (10, 13145891), (11, 11950810), (19, 6918890), (22, 5975405), (31, 4240610), (38, 3459445), (55, 2390162), (62, 2120305), (95, 1383778), (110, 1195081), (155, 848122), (190, 691889), (209, 628990), (310, 424061), (341, 385510), (418, 314495), (589, 223190), (682, 192755), (1045, 125798), (1178, 111595), (1705, 77102), (2029, 64790), (2090, 62899), (2945, 44638), (3410, 38551), (4058, 32395), (5890, 22319), (6479, 20290), (10145, 12958)]