920000

素因数分解:

$2^6\times 5^4\times {\mathrm{23}}^1$

素因数の和:55

約数の個数: 70

約数和(自身を含む): 2380488

約数和(自身を除く): 1460488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 125, 160, 184, 200, 230, 250, 320, 368, 400, 460, 500, 575, 625, 736, 800, 920, 1000, 1150, 1250, 1472, 1600, 1840, 2000, 2300, 2500, 2875, 3680, 4000, 4600, 5000, 5750, 7360, 8000, 9200, 10000, 11500, 14375, 18400, 20000, 23000, 28750, 36800, 40000, 46000, 57500, 92000, 115000, 184000, 230000, 460000, 920000]

約数ペア:

[(1, 920000), (2, 460000), (4, 230000), (5, 184000), (8, 115000), (10, 92000), (16, 57500), (20, 46000), (23, 40000), (25, 36800), (32, 28750), (40, 23000), (46, 20000), (50, 18400), (64, 14375), (80, 11500), (92, 10000), (100, 9200), (115, 8000), (125, 7360), (160, 5750), (184, 5000), (200, 4600), (230, 4000), (250, 3680), (320, 2875), (368, 2500), (400, 2300), (460, 2000), (500, 1840), (575, 1600), (625, 1472), (736, 1250), (800, 1150), (920, 1000)]