1001420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 2515968

約数和(自身を除く): 1514548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 311, 322, 460, 622, 644, 805, 1244, 1555, 1610, 2177, 3110, 3220, 4354, 6220, 7153, 8708, 10885, 14306, 21770, 28612, 35765, 43540, 50071, 71530, 100142, 143060, 200284, 250355, 500710, 1001420]

約数ペア:

[(1, 1001420), (2, 500710), (4, 250355), (5, 200284), (7, 143060), (10, 100142), (14, 71530), (20, 50071), (23, 43540), (28, 35765), (35, 28612), (46, 21770), (70, 14306), (92, 10885), (115, 8708), (140, 7153), (161, 6220), (230, 4354), (311, 3220), (322, 3110), (460, 2177), (622, 1610), (644, 1555), (805, 1244)]