130287500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{1489}}^1$

素因数の和:1525

約数の個数: 72

約数和(自身を含む): 325916640

約数和(自身を除く): 195629140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1250, 1489, 1750, 2500, 2978, 3125, 3500, 4375, 5956, 6250, 7445, 8750, 10423, 12500, 14890, 17500, 20846, 21875, 29780, 37225, 41692, 43750, 52115, 74450, 87500, 104230, 148900, 186125, 208460, 260575, 372250, 521150, 744500, 930625, 1042300, 1302875, 1861250, 2605750, 3722500, 4653125, 5211500, 6514375, 9306250, 13028750, 18612500, 26057500, 32571875, 65143750, 130287500]

約数ペア:

[(1, 130287500), (2, 65143750), (4, 32571875), (5, 26057500), (7, 18612500), (10, 13028750), (14, 9306250), (20, 6514375), (25, 5211500), (28, 4653125), (35, 3722500), (50, 2605750), (70, 1861250), (100, 1302875), (125, 1042300), (140, 930625), (175, 744500), (250, 521150), (350, 372250), (500, 260575), (625, 208460), (700, 186125), (875, 148900), (1250, 104230), (1489, 87500), (1750, 74450), (2500, 52115), (2978, 43750), (3125, 41692), (3500, 37225), (4375, 29780), (5956, 21875), (6250, 20846), (7445, 17500), (8750, 14890), (10423, 12500)]