28176400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:401

約数の個数: 120

約数和(自身を含む): 80262720

約数和(自身を除く): 52086320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 35, 40, 50, 56, 58, 70, 80, 100, 112, 116, 140, 145, 175, 200, 203, 232, 280, 290, 347, 350, 400, 406, 464, 560, 580, 694, 700, 725, 812, 1015, 1160, 1388, 1400, 1450, 1624, 1735, 2030, 2320, 2429, 2776, 2800, 2900, 3248, 3470, 4060, 4858, 5075, 5552, 5800, 6940, 8120, 8675, 9716, 10063, 10150, 11600, 12145, 13880, 16240, 17350, 19432, 20126, 20300, 24290, 27760, 34700, 38864, 40252, 40600, 48580, 50315, 60725, 69400, 70441, 80504, 81200, 97160, 100630, 121450, 138800, 140882, 161008, 194320, 201260, 242900, 251575, 281764, 352205, 402520, 485800, 503150, 563528, 704410, 805040, 971600, 1006300, 1127056, 1408820, 1761025, 2012600, 2817640, 3522050, 4025200, 5635280, 7044100, 14088200, 28176400]

約数ペア:

[(1, 28176400), (2, 14088200), (4, 7044100), (5, 5635280), (7, 4025200), (8, 3522050), (10, 2817640), (14, 2012600), (16, 1761025), (20, 1408820), (25, 1127056), (28, 1006300), (29, 971600), (35, 805040), (40, 704410), (50, 563528), (56, 503150), (58, 485800), (70, 402520), (80, 352205), (100, 281764), (112, 251575), (116, 242900), (140, 201260), (145, 194320), (175, 161008), (200, 140882), (203, 138800), (232, 121450), (280, 100630), (290, 97160), (347, 81200), (350, 80504), (400, 70441), (406, 69400), (464, 60725), (560, 50315), (580, 48580), (694, 40600), (700, 40252), (725, 38864), (812, 34700), (1015, 27760), (1160, 24290), (1388, 20300), (1400, 20126), (1450, 19432), (1624, 17350), (1735, 16240), (2030, 13880), (2320, 12145), (2429, 11600), (2776, 10150), (2800, 10063), (2900, 9716), (3248, 8675), (3470, 8120), (4060, 6940), (4858, 5800), (5075, 5552)]