208723140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5827}}^1$

素因数の和:6041

約数の個数: 72

約数和(自身を含む): 636417600

約数和(自身を除く): 427694460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3582, 3980, 5827, 5970, 7164, 8955, 11654, 11940, 17481, 17910, 23308, 29135, 34962, 35820, 52443, 58270, 69924, 87405, 104886, 116540, 174810, 209772, 262215, 349620, 524430, 1048860, 1159573, 2319146, 3478719, 4638292, 5797865, 6957438, 10436157, 11595730, 13914876, 17393595, 20872314, 23191460, 34787190, 41744628, 52180785, 69574380, 104361570, 208723140]

約数ペア:

[(1, 208723140), (2, 104361570), (3, 69574380), (4, 52180785), (5, 41744628), (6, 34787190), (9, 23191460), (10, 20872314), (12, 17393595), (15, 13914876), (18, 11595730), (20, 10436157), (30, 6957438), (36, 5797865), (45, 4638292), (60, 3478719), (90, 2319146), (180, 1159573), (199, 1048860), (398, 524430), (597, 349620), (796, 262215), (995, 209772), (1194, 174810), (1791, 116540), (1990, 104886), (2388, 87405), (2985, 69924), (3582, 58270), (3980, 52443), (5827, 35820), (5970, 34962), (7164, 29135), (8955, 23308), (11654, 17910), (11940, 17481)]