2750860

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{401}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 6753600

約数和(自身を除く): 4002740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 401, 490, 686, 802, 980, 1372, 1604, 1715, 2005, 2807, 3430, 4010, 5614, 6860, 8020, 11228, 14035, 19649, 28070, 39298, 56140, 78596, 98245, 137543, 196490, 275086, 392980, 550172, 687715, 1375430, 2750860]

約数ペア:

[(1, 2750860), (2, 1375430), (4, 687715), (5, 550172), (7, 392980), (10, 275086), (14, 196490), (20, 137543), (28, 98245), (35, 78596), (49, 56140), (70, 39298), (98, 28070), (140, 19649), (196, 14035), (245, 11228), (343, 8020), (401, 6860), (490, 5614), (686, 4010), (802, 3430), (980, 2807), (1372, 2005), (1604, 1715)]