1811237740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:1019

約数の個数: 96

約数和(自身を含む): 4191264000

約数和(自身を除く): 2380026260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 109, 130, 158, 218, 260, 316, 395, 436, 545, 790, 809, 1027, 1090, 1417, 1580, 1618, 2054, 2180, 2834, 3236, 4045, 4108, 5135, 5668, 7085, 8090, 8611, 10270, 10517, 14170, 16180, 17222, 20540, 21034, 28340, 34444, 42068, 43055, 52585, 63911, 86110, 88181, 105170, 111943, 127822, 172220, 176362, 210340, 223886, 255644, 319555, 352724, 440905, 447772, 559715, 639110, 830843, 881810, 1119430, 1146353, 1278220, 1661686, 1763620, 2238860, 2292706, 3323372, 4154215, 4585412, 5731765, 6966299, 8308430, 11463530, 13932598, 16616860, 22927060, 27865196, 34831495, 69662990, 90561887, 139325980, 181123774, 362247548, 452809435, 905618870, 1811237740]

約数ペア:

[(1, 1811237740), (2, 905618870), (4, 452809435), (5, 362247548), (10, 181123774), (13, 139325980), (20, 90561887), (26, 69662990), (52, 34831495), (65, 27865196), (79, 22927060), (109, 16616860), (130, 13932598), (158, 11463530), (218, 8308430), (260, 6966299), (316, 5731765), (395, 4585412), (436, 4154215), (545, 3323372), (790, 2292706), (809, 2238860), (1027, 1763620), (1090, 1661686), (1417, 1278220), (1580, 1146353), (1618, 1119430), (2054, 881810), (2180, 830843), (2834, 639110), (3236, 559715), (4045, 447772), (4108, 440905), (5135, 352724), (5668, 319555), (7085, 255644), (8090, 223886), (8611, 210340), (10270, 176362), (10517, 172220), (14170, 127822), (16180, 111943), (17222, 105170), (20540, 88181), (21034, 86110), (28340, 63911), (34444, 52585), (42068, 43055)]