812081660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3823}}^1$

素因数の和:3907

約数の個数: 96

約数和(自身を含む): 1978690560

約数和(自身を除く): 1166608900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 43, 52, 65, 76, 86, 95, 130, 172, 190, 215, 247, 260, 380, 430, 494, 559, 817, 860, 988, 1118, 1235, 1634, 2236, 2470, 2795, 3268, 3823, 4085, 4940, 5590, 7646, 8170, 10621, 11180, 15292, 16340, 19115, 21242, 38230, 42484, 49699, 53105, 72637, 76460, 99398, 106210, 145274, 164389, 198796, 212420, 248495, 290548, 328778, 363185, 496990, 657556, 726370, 821945, 944281, 993980, 1452740, 1643890, 1888562, 2137057, 3123391, 3287780, 3777124, 4274114, 4721405, 6246782, 8548228, 9442810, 10685285, 12493564, 15616955, 18885620, 21370570, 31233910, 40604083, 42741140, 62467820, 81208166, 162416332, 203020415, 406040830, 812081660]

約数ペア:

[(1, 812081660), (2, 406040830), (4, 203020415), (5, 162416332), (10, 81208166), (13, 62467820), (19, 42741140), (20, 40604083), (26, 31233910), (38, 21370570), (43, 18885620), (52, 15616955), (65, 12493564), (76, 10685285), (86, 9442810), (95, 8548228), (130, 6246782), (172, 4721405), (190, 4274114), (215, 3777124), (247, 3287780), (260, 3123391), (380, 2137057), (430, 1888562), (494, 1643890), (559, 1452740), (817, 993980), (860, 944281), (988, 821945), (1118, 726370), (1235, 657556), (1634, 496990), (2236, 363185), (2470, 328778), (2795, 290548), (3268, 248495), (3823, 212420), (4085, 198796), (4940, 164389), (5590, 145274), (7646, 106210), (8170, 99398), (10621, 76460), (11180, 72637), (15292, 53105), (16340, 49699), (19115, 42484), (21242, 38230)]