2028269740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{9281}}^1$

素因数の和:9527

約数の個数: 72

約数和(自身を含む): 4977528192

約数和(自身を除く): 2949258452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 223, 245, 446, 490, 892, 980, 1115, 1561, 2230, 3122, 4460, 6244, 7805, 9281, 10927, 15610, 18562, 21854, 31220, 37124, 43708, 46405, 54635, 64967, 92810, 109270, 129934, 185620, 218540, 259868, 324835, 454769, 649670, 909538, 1299340, 1819076, 2069663, 2273845, 4139326, 4547690, 8278652, 9095380, 10348315, 14487641, 20696630, 28975282, 41393260, 57950564, 72438205, 101413487, 144876410, 202826974, 289752820, 405653948, 507067435, 1014134870, 2028269740]

約数ペア:

[(1, 2028269740), (2, 1014134870), (4, 507067435), (5, 405653948), (7, 289752820), (10, 202826974), (14, 144876410), (20, 101413487), (28, 72438205), (35, 57950564), (49, 41393260), (70, 28975282), (98, 20696630), (140, 14487641), (196, 10348315), (223, 9095380), (245, 8278652), (446, 4547690), (490, 4139326), (892, 2273845), (980, 2069663), (1115, 1819076), (1561, 1299340), (2230, 909538), (3122, 649670), (4460, 454769), (6244, 324835), (7805, 259868), (9281, 218540), (10927, 185620), (15610, 129934), (18562, 109270), (21854, 92810), (31220, 64967), (37124, 54635), (43708, 46405)]