2149102020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{211943}}^1$

素因数の和:211981

約数の個数: 72

約数和(自身を含む): 6516006336

約数和(自身を除く): 4366904316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 211943, 423886, 635829, 847772, 1059715, 1271658, 2119430, 2543316, 2755259, 3179145, 4238860, 5510518, 6358290, 8265777, 11021036, 12716580, 13776295, 16531554, 27552590, 33063108, 35818367, 41328885, 55105180, 71636734, 82657770, 107455101, 143273468, 165315540, 179091835, 214910202, 358183670, 429820404, 537275505, 716367340, 1074551010, 2149102020]

約数ペア:

[(1, 2149102020), (2, 1074551010), (3, 716367340), (4, 537275505), (5, 429820404), (6, 358183670), (10, 214910202), (12, 179091835), (13, 165315540), (15, 143273468), (20, 107455101), (26, 82657770), (30, 71636734), (39, 55105180), (52, 41328885), (60, 35818367), (65, 33063108), (78, 27552590), (130, 16531554), (156, 13776295), (169, 12716580), (195, 11021036), (260, 8265777), (338, 6358290), (390, 5510518), (507, 4238860), (676, 3179145), (780, 2755259), (845, 2543316), (1014, 2119430), (1690, 1271658), (2028, 1059715), (2535, 847772), (3380, 635829), (5070, 423886), (10140, 211943)]