691376140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379877}}^1$

素因数の和:379906

約数の個数: 48

約数和(自身を含む): 1786946112

約数和(自身を除く): 1095569972

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 379877, 759754, 1519508, 1899385, 2659139, 3798770, 4938401, 5318278, 7597540, 9876802, 10636556, 13295695, 19753604, 24692005, 26591390, 34568807, 49384010, 53182780, 69137614, 98768020, 138275228, 172844035, 345688070, 691376140]

約数ペア:

[(1, 691376140), (2, 345688070), (4, 172844035), (5, 138275228), (7, 98768020), (10, 69137614), (13, 53182780), (14, 49384010), (20, 34568807), (26, 26591390), (28, 24692005), (35, 19753604), (52, 13295695), (65, 10636556), (70, 9876802), (91, 7597540), (130, 5318278), (140, 4938401), (182, 3798770), (260, 2659139), (364, 1899385), (455, 1519508), (910, 759754), (1820, 379877)]