28774740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:661

約数の個数: 96

約数和(自身を含む): 86929920

約数和(自身を除く): 58155180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 43, 57, 60, 76, 86, 95, 114, 129, 172, 190, 215, 228, 258, 285, 380, 430, 516, 570, 587, 645, 817, 860, 1140, 1174, 1290, 1634, 1761, 2348, 2451, 2580, 2935, 3268, 3522, 4085, 4902, 5870, 7044, 8170, 8805, 9804, 11153, 11740, 12255, 16340, 17610, 22306, 24510, 25241, 33459, 35220, 44612, 49020, 50482, 55765, 66918, 75723, 100964, 111530, 126205, 133836, 151446, 167295, 223060, 252410, 302892, 334590, 378615, 479579, 504820, 669180, 757230, 959158, 1438737, 1514460, 1918316, 2397895, 2877474, 4795790, 5754948, 7193685, 9591580, 14387370, 28774740]

約数ペア:

[(1, 28774740), (2, 14387370), (3, 9591580), (4, 7193685), (5, 5754948), (6, 4795790), (10, 2877474), (12, 2397895), (15, 1918316), (19, 1514460), (20, 1438737), (30, 959158), (38, 757230), (43, 669180), (57, 504820), (60, 479579), (76, 378615), (86, 334590), (95, 302892), (114, 252410), (129, 223060), (172, 167295), (190, 151446), (215, 133836), (228, 126205), (258, 111530), (285, 100964), (380, 75723), (430, 66918), (516, 55765), (570, 50482), (587, 49020), (645, 44612), (817, 35220), (860, 33459), (1140, 25241), (1174, 24510), (1290, 22306), (1634, 17610), (1761, 16340), (2348, 12255), (2451, 11740), (2580, 11153), (2935, 9804), (3268, 8805), (3522, 8170), (4085, 7044), (4902, 5870)]