209850900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{99929}}^1$

素因数の和:99953

約数の個数: 72

約数和(自身を含む): 693913920

約数和(自身を除く): 484063020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 99929, 199858, 299787, 399716, 499645, 599574, 699503, 999290, 1199148, 1399006, 1498935, 1998580, 2098509, 2498225, 2798012, 2997870, 3497515, 4197018, 4996450, 5995740, 6995030, 7494675, 8394036, 9992900, 10492545, 13990060, 14989350, 17487575, 20985090, 29978700, 34975150, 41970180, 52462725, 69950300, 104925450, 209850900]

約数ペア:

[(1, 209850900), (2, 104925450), (3, 69950300), (4, 52462725), (5, 41970180), (6, 34975150), (7, 29978700), (10, 20985090), (12, 17487575), (14, 14989350), (15, 13990060), (20, 10492545), (21, 9992900), (25, 8394036), (28, 7494675), (30, 6995030), (35, 5995740), (42, 4996450), (50, 4197018), (60, 3497515), (70, 2997870), (75, 2798012), (84, 2498225), (100, 2098509), (105, 1998580), (140, 1498935), (150, 1399006), (175, 1199148), (210, 999290), (300, 699503), (350, 599574), (420, 499645), (525, 399716), (700, 299787), (1050, 199858), (2100, 99929)]