1307020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 3231648

約数和(自身を除く): 1924628

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 457, 572, 715, 914, 1430, 1828, 2285, 2860, 4570, 5027, 5941, 9140, 10054, 11882, 20108, 23764, 25135, 29705, 50270, 59410, 65351, 100540, 118820, 130702, 261404, 326755, 653510, 1307020]

約数ペア:

[(1, 1307020), (2, 653510), (4, 326755), (5, 261404), (10, 130702), (11, 118820), (13, 100540), (20, 65351), (22, 59410), (26, 50270), (44, 29705), (52, 25135), (55, 23764), (65, 20108), (110, 11882), (130, 10054), (143, 9140), (220, 5941), (260, 5027), (286, 4570), (457, 2860), (572, 2285), (715, 1828), (914, 1430)]