211316620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 484545600

約数和(自身を除く): 273228980

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 43, 58, 74, 86, 116, 145, 148, 172, 185, 215, 229, 290, 370, 430, 458, 580, 740, 860, 916, 1073, 1145, 1247, 1591, 2146, 2290, 2494, 3182, 4292, 4580, 4988, 5365, 6235, 6364, 6641, 7955, 8473, 9847, 10730, 12470, 13282, 15910, 16946, 19694, 21460, 24940, 26564, 31820, 33205, 33892, 39388, 42365, 46139, 49235, 66410, 84730, 92278, 98470, 132820, 169460, 184556, 196940, 230695, 245717, 285563, 364339, 461390, 491434, 571126, 728678, 922780, 982868, 1142252, 1228585, 1427815, 1457356, 1821695, 2457170, 2855630, 3643390, 4914340, 5711260, 7286780, 10565831, 21131662, 42263324, 52829155, 105658310, 211316620]

約数ペア:

[(1, 211316620), (2, 105658310), (4, 52829155), (5, 42263324), (10, 21131662), (20, 10565831), (29, 7286780), (37, 5711260), (43, 4914340), (58, 3643390), (74, 2855630), (86, 2457170), (116, 1821695), (145, 1457356), (148, 1427815), (172, 1228585), (185, 1142252), (215, 982868), (229, 922780), (290, 728678), (370, 571126), (430, 491434), (458, 461390), (580, 364339), (740, 285563), (860, 245717), (916, 230695), (1073, 196940), (1145, 184556), (1247, 169460), (1591, 132820), (2146, 98470), (2290, 92278), (2494, 84730), (3182, 66410), (4292, 49235), (4580, 46139), (4988, 42365), (5365, 39388), (6235, 33892), (6364, 33205), (6641, 31820), (7955, 26564), (8473, 24940), (9847, 21460), (10730, 19694), (12470, 16946), (13282, 15910)]