6890000

素因数分解:

$2^4\times 5^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:94

約数の個数: 100

約数和(自身を含む): 18303516

約数和(自身を除く): 11413516

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 53, 65, 80, 100, 104, 106, 125, 130, 200, 208, 212, 250, 260, 265, 325, 400, 424, 500, 520, 530, 625, 650, 689, 848, 1000, 1040, 1060, 1250, 1300, 1325, 1378, 1625, 2000, 2120, 2500, 2600, 2650, 2756, 3250, 3445, 4240, 5000, 5200, 5300, 5512, 6500, 6625, 6890, 8125, 10000, 10600, 11024, 13000, 13250, 13780, 16250, 17225, 21200, 26000, 26500, 27560, 32500, 33125, 34450, 53000, 55120, 65000, 66250, 68900, 86125, 106000, 130000, 132500, 137800, 172250, 265000, 275600, 344500, 430625, 530000, 689000, 861250, 1378000, 1722500, 3445000, 6890000]

約数ペア:

[(1, 6890000), (2, 3445000), (4, 1722500), (5, 1378000), (8, 861250), (10, 689000), (13, 530000), (16, 430625), (20, 344500), (25, 275600), (26, 265000), (40, 172250), (50, 137800), (52, 132500), (53, 130000), (65, 106000), (80, 86125), (100, 68900), (104, 66250), (106, 65000), (125, 55120), (130, 53000), (200, 34450), (208, 33125), (212, 32500), (250, 27560), (260, 26500), (265, 26000), (325, 21200), (400, 17225), (424, 16250), (500, 13780), (520, 13250), (530, 13000), (625, 11024), (650, 10600), (689, 10000), (848, 8125), (1000, 6890), (1040, 6625), (1060, 6500), (1250, 5512), (1300, 5300), (1325, 5200), (1378, 5000), (1625, 4240), (2000, 3445), (2120, 3250), (2500, 2756), (2600, 2650)]