1664740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 96

約数和(自身を含む): 4644864

約数和(自身を除く): 2980124

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 47, 55, 70, 77, 92, 94, 110, 115, 140, 154, 161, 188, 220, 230, 235, 253, 308, 322, 329, 385, 460, 470, 506, 517, 644, 658, 770, 805, 940, 1012, 1034, 1081, 1265, 1316, 1540, 1610, 1645, 1771, 2068, 2162, 2530, 2585, 3220, 3290, 3542, 3619, 4324, 5060, 5170, 5405, 6580, 7084, 7238, 7567, 8855, 10340, 10810, 11891, 14476, 15134, 17710, 18095, 21620, 23782, 30268, 35420, 36190, 37835, 47564, 59455, 72380, 75670, 83237, 118910, 151340, 166474, 237820, 332948, 416185, 832370, 1664740]

約数ペア:

[(1, 1664740), (2, 832370), (4, 416185), (5, 332948), (7, 237820), (10, 166474), (11, 151340), (14, 118910), (20, 83237), (22, 75670), (23, 72380), (28, 59455), (35, 47564), (44, 37835), (46, 36190), (47, 35420), (55, 30268), (70, 23782), (77, 21620), (92, 18095), (94, 17710), (110, 15134), (115, 14476), (140, 11891), (154, 10810), (161, 10340), (188, 8855), (220, 7567), (230, 7238), (235, 7084), (253, 6580), (308, 5405), (322, 5170), (329, 5060), (385, 4324), (460, 3619), (470, 3542), (506, 3290), (517, 3220), (644, 2585), (658, 2530), (770, 2162), (805, 2068), (940, 1771), (1012, 1645), (1034, 1610), (1081, 1540), (1265, 1316)]