209948900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5659}}^1$

素因数の和:5733

約数の個数: 72

約数和(自身を含む): 530591040

約数和(自身を除く): 320642140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 70, 100, 106, 140, 175, 212, 265, 350, 371, 530, 700, 742, 1060, 1325, 1484, 1855, 2650, 3710, 5300, 5659, 7420, 9275, 11318, 18550, 22636, 28295, 37100, 39613, 56590, 79226, 113180, 141475, 158452, 198065, 282950, 299927, 396130, 565900, 599854, 792260, 990325, 1199708, 1499635, 1980650, 2099489, 2999270, 3961300, 4198978, 5998540, 7498175, 8397956, 10497445, 14996350, 20994890, 29992700, 41989780, 52487225, 104974450, 209948900]

約数ペア:

[(1, 209948900), (2, 104974450), (4, 52487225), (5, 41989780), (7, 29992700), (10, 20994890), (14, 14996350), (20, 10497445), (25, 8397956), (28, 7498175), (35, 5998540), (50, 4198978), (53, 3961300), (70, 2999270), (100, 2099489), (106, 1980650), (140, 1499635), (175, 1199708), (212, 990325), (265, 792260), (350, 599854), (371, 565900), (530, 396130), (700, 299927), (742, 282950), (1060, 198065), (1325, 158452), (1484, 141475), (1855, 113180), (2650, 79226), (3710, 56590), (5300, 39613), (5659, 37100), (7420, 28295), (9275, 22636), (11318, 18550)]