1380492500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{29063}}^1$

素因数の和:29106

約数の個数: 60

約数和(自身を含む): 3177857760

約数和(自身を除く): 1797365260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 625, 950, 1250, 1900, 2375, 2500, 4750, 9500, 11875, 23750, 29063, 47500, 58126, 116252, 145315, 290630, 552197, 581260, 726575, 1104394, 1453150, 2208788, 2760985, 2906300, 3632875, 5521970, 7265750, 11043940, 13804925, 14531500, 18164375, 27609850, 36328750, 55219700, 69024625, 72657500, 138049250, 276098500, 345123125, 690246250, 1380492500]

約数ペア:

[(1, 1380492500), (2, 690246250), (4, 345123125), (5, 276098500), (10, 138049250), (19, 72657500), (20, 69024625), (25, 55219700), (38, 36328750), (50, 27609850), (76, 18164375), (95, 14531500), (100, 13804925), (125, 11043940), (190, 7265750), (250, 5521970), (380, 3632875), (475, 2906300), (500, 2760985), (625, 2208788), (950, 1453150), (1250, 1104394), (1900, 726575), (2375, 581260), (2500, 552197), (4750, 290630), (9500, 145315), (11875, 116252), (23750, 58126), (29063, 47500)]