420155905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{4261}}^1$

素因数の和:4357

約数の個数: 32

約数和(自身を含む): 571380768

約数和(自身を除く): 151224863

約数列:

[1, 5, 13, 37, 41, 65, 185, 205, 481, 533, 1517, 2405, 2665, 4261, 7585, 19721, 21305, 55393, 98605, 157657, 174701, 276965, 788285, 873505, 2049541, 2271113, 6463937, 10247705, 11355565, 32319685, 84031181, 420155905]

約数ペア:

[(1, 420155905), (5, 84031181), (13, 32319685), (37, 11355565), (41, 10247705), (65, 6463937), (185, 2271113), (205, 2049541), (481, 873505), (533, 788285), (1517, 276965), (2405, 174701), (2665, 157657), (4261, 98605), (7585, 55393), (19721, 21305)]