12890220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:719

約数の個数: 96

約数和(自身を含む): 42190848

約数和(自身を除く): 29300628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 653, 658, 705, 940, 987, 1306, 1316, 1410, 1645, 1959, 1974, 2612, 2820, 3265, 3290, 3918, 3948, 4571, 4935, 6530, 6580, 7836, 9142, 9795, 9870, 13060, 13713, 18284, 19590, 19740, 22855, 27426, 30691, 39180, 45710, 54852, 61382, 68565, 91420, 92073, 122764, 137130, 153455, 184146, 214837, 274260, 306910, 368292, 429674, 460365, 613820, 644511, 859348, 920730, 1074185, 1289022, 1841460, 2148370, 2578044, 3222555, 4296740, 6445110, 12890220]

約数ペア:

[(1, 12890220), (2, 6445110), (3, 4296740), (4, 3222555), (5, 2578044), (6, 2148370), (7, 1841460), (10, 1289022), (12, 1074185), (14, 920730), (15, 859348), (20, 644511), (21, 613820), (28, 460365), (30, 429674), (35, 368292), (42, 306910), (47, 274260), (60, 214837), (70, 184146), (84, 153455), (94, 137130), (105, 122764), (140, 92073), (141, 91420), (188, 68565), (210, 61382), (235, 54852), (282, 45710), (329, 39180), (420, 30691), (470, 27426), (564, 22855), (653, 19740), (658, 19590), (705, 18284), (940, 13713), (987, 13060), (1306, 9870), (1316, 9795), (1410, 9142), (1645, 7836), (1959, 6580), (1974, 6530), (2612, 4935), (2820, 4571), (3265, 3948), (3290, 3918)]