247498940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{50101}}^1$

素因数の和:50142

約数の個数: 48

約数和(自身を含む): 589199520

約数和(自身を除く): 341700580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 50101, 100202, 200404, 250505, 501010, 651313, 951919, 1002020, 1302626, 1903838, 2605252, 3256565, 3807676, 4759595, 6513130, 9519190, 12374947, 13026260, 19038380, 24749894, 49499788, 61874735, 123749470, 247498940]

約数ペア:

[(1, 247498940), (2, 123749470), (4, 61874735), (5, 49499788), (10, 24749894), (13, 19038380), (19, 13026260), (20, 12374947), (26, 9519190), (38, 6513130), (52, 4759595), (65, 3807676), (76, 3256565), (95, 2605252), (130, 1903838), (190, 1302626), (247, 1002020), (260, 951919), (380, 651313), (494, 501010), (988, 250505), (1235, 200404), (2470, 100202), (4940, 50101)]