405741320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{1361}}^1$

素因数の和:1658

約数の個数: 64

約数和(自身を含む): 948769200

約数和(自身を除く): 543027880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 257, 290, 514, 580, 1028, 1160, 1285, 1361, 2056, 2570, 2722, 5140, 5444, 6805, 7453, 10280, 10888, 13610, 14906, 27220, 29812, 37265, 39469, 54440, 59624, 74530, 78938, 149060, 157876, 197345, 298120, 315752, 349777, 394690, 699554, 789380, 1399108, 1578760, 1748885, 2798216, 3497770, 6995540, 10143533, 13991080, 20287066, 40574132, 50717665, 81148264, 101435330, 202870660, 405741320]

約数ペア:

[(1, 405741320), (2, 202870660), (4, 101435330), (5, 81148264), (8, 50717665), (10, 40574132), (20, 20287066), (29, 13991080), (40, 10143533), (58, 6995540), (116, 3497770), (145, 2798216), (232, 1748885), (257, 1578760), (290, 1399108), (514, 789380), (580, 699554), (1028, 394690), (1160, 349777), (1285, 315752), (1361, 298120), (2056, 197345), (2570, 157876), (2722, 149060), (5140, 78938), (5444, 74530), (6805, 59624), (7453, 54440), (10280, 39469), (10888, 37265), (13610, 29812), (14906, 27220)]