210609980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1151}}^1\times {\mathrm{1307}}^1$

素因数の和:2474

約数の個数: 48

約数和(自身を含む): 506290176

約数和(自身を除く): 295680196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1151, 1307, 2302, 2614, 4604, 5228, 5755, 6535, 8057, 9149, 11510, 13070, 16114, 18298, 23020, 26140, 32228, 36596, 40285, 45745, 80570, 91490, 161140, 182980, 1504357, 3008714, 6017428, 7521785, 10530499, 15043570, 21060998, 30087140, 42121996, 52652495, 105304990, 210609980]

約数ペア:

[(1, 210609980), (2, 105304990), (4, 52652495), (5, 42121996), (7, 30087140), (10, 21060998), (14, 15043570), (20, 10530499), (28, 7521785), (35, 6017428), (70, 3008714), (140, 1504357), (1151, 182980), (1307, 161140), (2302, 91490), (2614, 80570), (4604, 45745), (5228, 40285), (5755, 36596), (6535, 32228), (8057, 26140), (9149, 23020), (11510, 18298), (13070, 16114)]