378171025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 500642560

約数和(自身を除く): 122471535

約数列:

[1, 5, 25, 43, 61, 73, 79, 215, 305, 365, 395, 1075, 1525, 1825, 1975, 2623, 3139, 3397, 4453, 4819, 5767, 13115, 15695, 16985, 22265, 24095, 28835, 65575, 78475, 84925, 111325, 120475, 144175, 191479, 207217, 247981, 351787, 957395, 1036085, 1239905, 1758935, 4786975, 5180425, 6199525, 8794675, 15126841, 75634205, 378171025]

約数ペア:

[(1, 378171025), (5, 75634205), (25, 15126841), (43, 8794675), (61, 6199525), (73, 5180425), (79, 4786975), (215, 1758935), (305, 1239905), (365, 1036085), (395, 957395), (1075, 351787), (1525, 247981), (1825, 207217), (1975, 191479), (2623, 144175), (3139, 120475), (3397, 111325), (4453, 84925), (4819, 78475), (5767, 65575), (13115, 28835), (15695, 24095), (16985, 22265)]