439567280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{289189}}^1$

素因数の和:289221

約数の個数: 40

約数和(自身を含む): 1075786800

約数和(自身を除く): 636219520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 289189, 578378, 1156756, 1445945, 2313512, 2891890, 4627024, 5494591, 5783780, 10989182, 11567560, 21978364, 23135120, 27472955, 43956728, 54945910, 87913456, 109891820, 219783640, 439567280]

約数ペア:

[(1, 439567280), (2, 219783640), (4, 109891820), (5, 87913456), (8, 54945910), (10, 43956728), (16, 27472955), (19, 23135120), (20, 21978364), (38, 11567560), (40, 10989182), (76, 5783780), (80, 5494591), (95, 4627024), (152, 2891890), (190, 2313512), (304, 1445945), (380, 1156756), (760, 578378), (1520, 289189)]