489497920

素因数分解:

$2^6\times 5^1\times {\mathrm{113}}^1\times {\mathrm{13537}}^1$

素因数の和:13667

約数の個数: 56

約数和(自身を含む): 1176018984

約数和(自身を除く): 686521064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 160, 226, 320, 452, 565, 904, 1130, 1808, 2260, 3616, 4520, 7232, 9040, 13537, 18080, 27074, 36160, 54148, 67685, 108296, 135370, 216592, 270740, 433184, 541480, 866368, 1082960, 1529681, 2165920, 3059362, 4331840, 6118724, 7648405, 12237448, 15296810, 24474896, 30593620, 48949792, 61187240, 97899584, 122374480, 244748960, 489497920]

約数ペア:

[(1, 489497920), (2, 244748960), (4, 122374480), (5, 97899584), (8, 61187240), (10, 48949792), (16, 30593620), (20, 24474896), (32, 15296810), (40, 12237448), (64, 7648405), (80, 6118724), (113, 4331840), (160, 3059362), (226, 2165920), (320, 1529681), (452, 1082960), (565, 866368), (904, 541480), (1130, 433184), (1808, 270740), (2260, 216592), (3616, 135370), (4520, 108296), (7232, 67685), (9040, 54148), (13537, 36160), (18080, 27074)]