12307820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 31696560

約数和(自身を除く): 19388740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 661, 665, 931, 980, 1322, 1330, 1862, 2644, 2660, 3305, 3724, 4627, 4655, 6610, 9254, 9310, 12559, 13220, 18508, 18620, 23135, 25118, 32389, 46270, 50236, 62795, 64778, 87913, 92540, 125590, 129556, 161945, 175826, 251180, 323890, 351652, 439565, 615391, 647780, 879130, 1230782, 1758260, 2461564, 3076955, 6153910, 12307820]

約数ペア:

[(1, 12307820), (2, 6153910), (4, 3076955), (5, 2461564), (7, 1758260), (10, 1230782), (14, 879130), (19, 647780), (20, 615391), (28, 439565), (35, 351652), (38, 323890), (49, 251180), (70, 175826), (76, 161945), (95, 129556), (98, 125590), (133, 92540), (140, 87913), (190, 64778), (196, 62795), (245, 50236), (266, 46270), (380, 32389), (490, 25118), (532, 23135), (661, 18620), (665, 18508), (931, 13220), (980, 12559), (1322, 9310), (1330, 9254), (1862, 6610), (2644, 4655), (2660, 4627), (3305, 3724)]