399835040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1447}}^1$

素因数の和:1630

約数の個数: 96

約数和(自身を含む): 1037764224

約数和(自身を除く): 637929184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 157, 160, 176, 220, 314, 352, 440, 628, 785, 880, 1256, 1447, 1570, 1727, 1760, 2512, 2894, 3140, 3454, 5024, 5788, 6280, 6908, 7235, 8635, 11576, 12560, 13816, 14470, 15917, 17270, 23152, 25120, 27632, 28940, 31834, 34540, 46304, 55264, 57880, 63668, 69080, 79585, 115760, 127336, 138160, 159170, 227179, 231520, 254672, 276320, 318340, 454358, 509344, 636680, 908716, 1135895, 1273360, 1817432, 2271790, 2498969, 2546720, 3634864, 4543580, 4997938, 7269728, 9087160, 9995876, 12494845, 18174320, 19991752, 24989690, 36348640, 39983504, 49979380, 79967008, 99958760, 199917520, 399835040]

約数ペア:

[(1, 399835040), (2, 199917520), (4, 99958760), (5, 79967008), (8, 49979380), (10, 39983504), (11, 36348640), (16, 24989690), (20, 19991752), (22, 18174320), (32, 12494845), (40, 9995876), (44, 9087160), (55, 7269728), (80, 4997938), (88, 4543580), (110, 3634864), (157, 2546720), (160, 2498969), (176, 2271790), (220, 1817432), (314, 1273360), (352, 1135895), (440, 908716), (628, 636680), (785, 509344), (880, 454358), (1256, 318340), (1447, 276320), (1570, 254672), (1727, 231520), (1760, 227179), (2512, 159170), (2894, 138160), (3140, 127336), (3454, 115760), (5024, 79585), (5788, 69080), (6280, 63668), (6908, 57880), (7235, 55264), (8635, 46304), (11576, 34540), (12560, 31834), (13816, 28940), (14470, 27632), (15917, 25120), (17270, 23152)]