65530780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2099}}^1$

素因数の和:2338

約数の個数: 48

約数和(自身を含む): 158054400

約数和(自身を除く): 92523620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2099, 2230, 3122, 4198, 4460, 6244, 7805, 8396, 10495, 14693, 15610, 20990, 29386, 31220, 41980, 58772, 73465, 146930, 293860, 468077, 936154, 1872308, 2340385, 3276539, 4680770, 6553078, 9361540, 13106156, 16382695, 32765390, 65530780]

約数ペア:

[(1, 65530780), (2, 32765390), (4, 16382695), (5, 13106156), (7, 9361540), (10, 6553078), (14, 4680770), (20, 3276539), (28, 2340385), (35, 1872308), (70, 936154), (140, 468077), (223, 293860), (446, 146930), (892, 73465), (1115, 58772), (1561, 41980), (2099, 31220), (2230, 29386), (3122, 20990), (4198, 15610), (4460, 14693), (6244, 10495), (7805, 8396)]