90290525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 128991744

約数和(自身を除く): 38701219

約数列:

[1, 5, 13, 23, 25, 47, 65, 115, 235, 257, 299, 325, 575, 611, 1081, 1175, 1285, 1495, 3055, 3341, 5405, 5911, 6425, 7475, 12079, 14053, 15275, 16705, 27025, 29555, 60395, 70265, 76843, 83525, 147775, 157027, 277817, 301975, 351325, 384215, 785135, 1389085, 1921075, 3611621, 3925675, 6945425, 18058105, 90290525]

約数ペア:

[(1, 90290525), (5, 18058105), (13, 6945425), (23, 3925675), (25, 3611621), (47, 1921075), (65, 1389085), (115, 785135), (235, 384215), (257, 351325), (299, 301975), (325, 277817), (575, 157027), (611, 147775), (1081, 83525), (1175, 76843), (1285, 70265), (1495, 60395), (3055, 29555), (3341, 27025), (5405, 16705), (5911, 15275), (6425, 14053), (7475, 12079)]