208309075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1019}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 302793120

約数和(自身を除く): 94484045

約数列:

[1, 5, 13, 17, 25, 37, 65, 85, 185, 221, 325, 425, 481, 629, 925, 1019, 1105, 2405, 3145, 5095, 5525, 8177, 12025, 13247, 15725, 17323, 25475, 37703, 40885, 66235, 86615, 188515, 204425, 225199, 331175, 433075, 490139, 640951, 942575, 1125995, 2450695, 3204755, 5629975, 8332363, 12253475, 16023775, 41661815, 208309075]

約数ペア:

[(1, 208309075), (5, 41661815), (13, 16023775), (17, 12253475), (25, 8332363), (37, 5629975), (65, 3204755), (85, 2450695), (185, 1125995), (221, 942575), (325, 640951), (425, 490139), (481, 433075), (629, 331175), (925, 225199), (1019, 204425), (1105, 188515), (2405, 86615), (3145, 66235), (5095, 40885), (5525, 37703), (8177, 25475), (12025, 17323), (13247, 15725)]