349176340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 794787840

約数和(自身を除く): 445611500

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 127, 139, 172, 215, 230, 254, 278, 430, 460, 508, 556, 635, 695, 860, 989, 1270, 1390, 1978, 2540, 2780, 2921, 3197, 3956, 4945, 5461, 5842, 5977, 6394, 9890, 10922, 11684, 11954, 12788, 14605, 15985, 17653, 19780, 21844, 23908, 27305, 29210, 29885, 31970, 35306, 54610, 58420, 59770, 63940, 70612, 88265, 109220, 119540, 125603, 137471, 176530, 251206, 274942, 353060, 406019, 502412, 549884, 628015, 687355, 759079, 812038, 1256030, 1374710, 1518158, 1624076, 2030095, 2512060, 2749420, 3036316, 3795395, 4060190, 7590790, 8120380, 15181580, 17458817, 34917634, 69835268, 87294085, 174588170, 349176340]

約数ペア:

[(1, 349176340), (2, 174588170), (4, 87294085), (5, 69835268), (10, 34917634), (20, 17458817), (23, 15181580), (43, 8120380), (46, 7590790), (86, 4060190), (92, 3795395), (115, 3036316), (127, 2749420), (139, 2512060), (172, 2030095), (215, 1624076), (230, 1518158), (254, 1374710), (278, 1256030), (430, 812038), (460, 759079), (508, 687355), (556, 628015), (635, 549884), (695, 502412), (860, 406019), (989, 353060), (1270, 274942), (1390, 251206), (1978, 176530), (2540, 137471), (2780, 125603), (2921, 119540), (3197, 109220), (3956, 88265), (4945, 70612), (5461, 63940), (5842, 59770), (5977, 58420), (6394, 54610), (9890, 35306), (10922, 31970), (11684, 29885), (11954, 29210), (12788, 27305), (14605, 23908), (15985, 21844), (17653, 19780)]