278320196

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{773}}^1$

素因数の和:969

約数の個数: 72

約数和(自身を含む): 622593216

約数和(自身を除く): 344273020

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 167, 196, 308, 334, 539, 668, 773, 1078, 1169, 1546, 1837, 2156, 2338, 3092, 3674, 4676, 5411, 7348, 8183, 8503, 10822, 12859, 16366, 17006, 21644, 25718, 32732, 34012, 37877, 51436, 59521, 75754, 90013, 119042, 129091, 151508, 180026, 238084, 258182, 360052, 416647, 516364, 833294, 903637, 1420001, 1666588, 1807274, 2840002, 3614548, 5680004, 6325459, 9940007, 12650918, 19880014, 25301836, 39760028, 69580049, 139160098, 278320196]

約数ペア:

[(1, 278320196), (2, 139160098), (4, 69580049), (7, 39760028), (11, 25301836), (14, 19880014), (22, 12650918), (28, 9940007), (44, 6325459), (49, 5680004), (77, 3614548), (98, 2840002), (154, 1807274), (167, 1666588), (196, 1420001), (308, 903637), (334, 833294), (539, 516364), (668, 416647), (773, 360052), (1078, 258182), (1169, 238084), (1546, 180026), (1837, 151508), (2156, 129091), (2338, 119042), (3092, 90013), (3674, 75754), (4676, 59521), (5411, 51436), (7348, 37877), (8183, 34012), (8503, 32732), (10822, 25718), (12859, 21644), (16366, 17006)]