280139906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1\times {\mathrm{389}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 454896000

約数和(自身を除く): 174756094

約数列:

[1, 2, 17, 34, 59, 118, 359, 389, 718, 778, 1003, 2006, 6103, 6613, 12206, 13226, 21181, 22951, 42362, 45902, 139651, 279302, 360077, 390167, 720154, 780334, 2374067, 4748134, 8239409, 16478818, 140069953, 280139906]

約数ペア:

[(1, 280139906), (2, 140069953), (17, 16478818), (34, 8239409), (59, 4748134), (118, 2374067), (359, 780334), (389, 720154), (718, 390167), (778, 360077), (1003, 279302), (2006, 139651), (6103, 45902), (6613, 42362), (12206, 22951), (13226, 21181)]