7474460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 18960480

約数和(自身を除く): 11486020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 263, 290, 406, 490, 526, 580, 812, 980, 1015, 1052, 1315, 1421, 1841, 2030, 2630, 2842, 3682, 4060, 5260, 5684, 7105, 7364, 7627, 9205, 12887, 14210, 15254, 18410, 25774, 28420, 30508, 36820, 38135, 51548, 53389, 64435, 76270, 106778, 128870, 152540, 213556, 257740, 266945, 373723, 533890, 747446, 1067780, 1494892, 1868615, 3737230, 7474460]

約数ペア:

[(1, 7474460), (2, 3737230), (4, 1868615), (5, 1494892), (7, 1067780), (10, 747446), (14, 533890), (20, 373723), (28, 266945), (29, 257740), (35, 213556), (49, 152540), (58, 128870), (70, 106778), (98, 76270), (116, 64435), (140, 53389), (145, 51548), (196, 38135), (203, 36820), (245, 30508), (263, 28420), (290, 25774), (406, 18410), (490, 15254), (526, 14210), (580, 12887), (812, 9205), (980, 7627), (1015, 7364), (1052, 7105), (1315, 5684), (1421, 5260), (1841, 4060), (2030, 3682), (2630, 2842)]