272497820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{2551}}^1$

素因数の和:2683

約数の個数: 72

約数和(自身を含む): 672043680

約数和(自身を除く): 399545860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 545, 763, 980, 1090, 1526, 2180, 2551, 3052, 3815, 5102, 5341, 7630, 10204, 10682, 12755, 15260, 17857, 21364, 25510, 26705, 35714, 51020, 53410, 71428, 89285, 106820, 124999, 178570, 249998, 278059, 357140, 499996, 556118, 624995, 1112236, 1249990, 1390295, 1946413, 2499980, 2780590, 3892826, 5561180, 7785652, 9732065, 13624891, 19464130, 27249782, 38928260, 54499564, 68124455, 136248910, 272497820]

約数ペア:

[(1, 272497820), (2, 136248910), (4, 68124455), (5, 54499564), (7, 38928260), (10, 27249782), (14, 19464130), (20, 13624891), (28, 9732065), (35, 7785652), (49, 5561180), (70, 3892826), (98, 2780590), (109, 2499980), (140, 1946413), (196, 1390295), (218, 1249990), (245, 1112236), (436, 624995), (490, 556118), (545, 499996), (763, 357140), (980, 278059), (1090, 249998), (1526, 178570), (2180, 124999), (2551, 106820), (3052, 89285), (3815, 71428), (5102, 53410), (5341, 51020), (7630, 35714), (10204, 26705), (10682, 25510), (12755, 21364), (15260, 17857)]