521014620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1240511}}^1$

素因数の和:1240530

約数の個数: 48

約数和(自身を含む): 1667248128

約数和(自身を除く): 1146233508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1240511, 2481022, 3721533, 4962044, 6202555, 7443066, 8683577, 12405110, 14886132, 17367154, 18607665, 24810220, 26050731, 34734308, 37215330, 43417885, 52101462, 74430660, 86835770, 104202924, 130253655, 173671540, 260507310, 521014620]

約数ペア:

[(1, 521014620), (2, 260507310), (3, 173671540), (4, 130253655), (5, 104202924), (6, 86835770), (7, 74430660), (10, 52101462), (12, 43417885), (14, 37215330), (15, 34734308), (20, 26050731), (21, 24810220), (28, 18607665), (30, 17367154), (35, 14886132), (42, 12405110), (60, 8683577), (70, 7443066), (84, 6202555), (105, 4962044), (140, 3721533), (210, 2481022), (420, 1240511)]