393311240

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:404

約数の個数: 128

約数和(自身を含む): 1045440000

約数和(自身を除く): 652128760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 109, 140, 196, 218, 245, 263, 280, 343, 392, 436, 490, 526, 545, 686, 763, 872, 980, 1052, 1090, 1315, 1372, 1526, 1715, 1841, 1960, 2104, 2180, 2630, 2744, 3052, 3430, 3682, 3815, 4360, 5260, 5341, 6104, 6860, 7364, 7630, 9205, 10520, 10682, 12887, 13720, 14728, 15260, 18410, 21364, 25774, 26705, 28667, 30520, 36820, 37387, 42728, 51548, 53410, 57334, 64435, 73640, 74774, 90209, 103096, 106820, 114668, 128870, 143335, 149548, 180418, 186935, 200669, 213640, 229336, 257740, 286670, 299096, 360836, 373870, 401338, 451045, 515480, 573340, 721672, 747740, 802676, 902090, 1003345, 1146680, 1404683, 1495480, 1605352, 1804180, 2006690, 2809366, 3608360, 4013380, 5618732, 7023415, 8026760, 9832781, 11237464, 14046830, 19665562, 28093660, 39331124, 49163905, 56187320, 78662248, 98327810, 196655620, 393311240]

約数ペア:

[(1, 393311240), (2, 196655620), (4, 98327810), (5, 78662248), (7, 56187320), (8, 49163905), (10, 39331124), (14, 28093660), (20, 19665562), (28, 14046830), (35, 11237464), (40, 9832781), (49, 8026760), (56, 7023415), (70, 5618732), (98, 4013380), (109, 3608360), (140, 2809366), (196, 2006690), (218, 1804180), (245, 1605352), (263, 1495480), (280, 1404683), (343, 1146680), (392, 1003345), (436, 902090), (490, 802676), (526, 747740), (545, 721672), (686, 573340), (763, 515480), (872, 451045), (980, 401338), (1052, 373870), (1090, 360836), (1315, 299096), (1372, 286670), (1526, 257740), (1715, 229336), (1841, 213640), (1960, 200669), (2104, 186935), (2180, 180418), (2630, 149548), (2744, 143335), (3052, 128870), (3430, 114668), (3682, 106820), (3815, 103096), (4360, 90209), (5260, 74774), (5341, 73640), (6104, 64435), (6860, 57334), (7364, 53410), (7630, 51548), (9205, 42728), (10520, 37387), (10682, 36820), (12887, 30520), (13720, 28667), (14728, 26705), (15260, 25774), (18410, 21364)]