1880240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1269

約数の個数: 40

約数和(自身を含む): 4605360

約数和(自身を除く): 2725120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1237, 1520, 2474, 4948, 6185, 9896, 12370, 19792, 23503, 24740, 47006, 49480, 94012, 98960, 117515, 188024, 235030, 376048, 470060, 940120, 1880240]

約数ペア:

[(1, 1880240), (2, 940120), (4, 470060), (5, 376048), (8, 235030), (10, 188024), (16, 117515), (19, 98960), (20, 94012), (38, 49480), (40, 47006), (76, 24740), (80, 23503), (95, 19792), (152, 12370), (190, 9896), (304, 6185), (380, 4948), (760, 2474), (1237, 1520)]