280056940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{1493}}^1$

素因数の和:1698

約数の個数: 48

約数和(自身を含む): 600874848

約数和(自身を除く): 320817908

約数列:

[1, 2, 4, 5, 10, 20, 83, 113, 166, 226, 332, 415, 452, 565, 830, 1130, 1493, 1660, 2260, 2986, 5972, 7465, 9379, 14930, 18758, 29860, 37516, 46895, 93790, 123919, 168709, 187580, 247838, 337418, 495676, 619595, 674836, 843545, 1239190, 1687090, 2478380, 3374180, 14002847, 28005694, 56011388, 70014235, 140028470, 280056940]

約数ペア:

[(1, 280056940), (2, 140028470), (4, 70014235), (5, 56011388), (10, 28005694), (20, 14002847), (83, 3374180), (113, 2478380), (166, 1687090), (226, 1239190), (332, 843545), (415, 674836), (452, 619595), (565, 495676), (830, 337418), (1130, 247838), (1493, 187580), (1660, 168709), (2260, 123919), (2986, 93790), (5972, 46895), (7465, 37516), (9379, 29860), (14930, 18758)]