201909540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{480737}}^1$

素因数の和:480756

約数の個数: 48

約数和(自身を含む): 646111872

約数和(自身を除く): 444202332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 480737, 961474, 1442211, 1922948, 2403685, 2884422, 3365159, 4807370, 5768844, 6730318, 7211055, 9614740, 10095477, 13460636, 14422110, 16825795, 20190954, 28844220, 33651590, 40381908, 50477385, 67303180, 100954770, 201909540]

約数ペア:

[(1, 201909540), (2, 100954770), (3, 67303180), (4, 50477385), (5, 40381908), (6, 33651590), (7, 28844220), (10, 20190954), (12, 16825795), (14, 14422110), (15, 13460636), (20, 10095477), (21, 9614740), (28, 7211055), (30, 6730318), (35, 5768844), (42, 4807370), (60, 3365159), (70, 2884422), (84, 2403685), (105, 1922948), (140, 1442211), (210, 961474), (420, 480737)]