7499692780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{661}}^1$

素因数の和:959

約数の個数: 96

約数和(自身を含む): 16442173440

約数和(自身を除く): 8942480660

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 167, 172, 215, 316, 334, 395, 430, 661, 668, 790, 835, 860, 1322, 1580, 1670, 2644, 3305, 3340, 3397, 6610, 6794, 7181, 13193, 13220, 13588, 14362, 16985, 26386, 28423, 28724, 33970, 35905, 52219, 52772, 56846, 65965, 67940, 71810, 104438, 110387, 113692, 131930, 142115, 143620, 208876, 220774, 261095, 263860, 284230, 441548, 522190, 551935, 567299, 568460, 1044380, 1103870, 1134598, 2207740, 2245417, 2269196, 2836495, 4490834, 4746641, 5672990, 8720573, 8981668, 9493282, 11227085, 11345980, 17441146, 18986564, 22454170, 23733205, 34882292, 43602865, 44908340, 47466410, 87205730, 94932820, 174411460, 374984639, 749969278, 1499938556, 1874923195, 3749846390, 7499692780]

約数ペア:

[(1, 7499692780), (2, 3749846390), (4, 1874923195), (5, 1499938556), (10, 749969278), (20, 374984639), (43, 174411460), (79, 94932820), (86, 87205730), (158, 47466410), (167, 44908340), (172, 43602865), (215, 34882292), (316, 23733205), (334, 22454170), (395, 18986564), (430, 17441146), (661, 11345980), (668, 11227085), (790, 9493282), (835, 8981668), (860, 8720573), (1322, 5672990), (1580, 4746641), (1670, 4490834), (2644, 2836495), (3305, 2269196), (3340, 2245417), (3397, 2207740), (6610, 1134598), (6794, 1103870), (7181, 1044380), (13193, 568460), (13220, 567299), (13588, 551935), (14362, 522190), (16985, 441548), (26386, 284230), (28423, 263860), (28724, 261095), (33970, 220774), (35905, 208876), (52219, 143620), (52772, 142115), (56846, 131930), (65965, 113692), (67940, 110387), (71810, 104438)]