3968020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{4049}}^1$

素因数の和:4072

約数の個数: 36

約数和(自身を含む): 9695700

約数和(自身を除く): 5727680

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 4049, 8098, 16196, 20245, 28343, 40490, 56686, 80980, 113372, 141715, 198401, 283430, 396802, 566860, 793604, 992005, 1984010, 3968020]

約数ペア:

[(1, 3968020), (2, 1984010), (4, 992005), (5, 793604), (7, 566860), (10, 396802), (14, 283430), (20, 198401), (28, 141715), (35, 113372), (49, 80980), (70, 56686), (98, 40490), (140, 28343), (196, 20245), (245, 16196), (490, 8098), (980, 4049)]