310785020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{170761}}^1$

素因数の和:170790

約数の個数: 48

約数和(自身を含む): 803264448

約数和(自身を除く): 492479428

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 170761, 341522, 683044, 853805, 1195327, 1707610, 2219893, 2390654, 3415220, 4439786, 4781308, 5976635, 8879572, 11099465, 11953270, 15539251, 22198930, 23906540, 31078502, 44397860, 62157004, 77696255, 155392510, 310785020]

約数ペア:

[(1, 310785020), (2, 155392510), (4, 77696255), (5, 62157004), (7, 44397860), (10, 31078502), (13, 23906540), (14, 22198930), (20, 15539251), (26, 11953270), (28, 11099465), (35, 8879572), (52, 5976635), (65, 4781308), (70, 4439786), (91, 3415220), (130, 2390654), (140, 2219893), (182, 1707610), (260, 1195327), (364, 853805), (455, 683044), (910, 341522), (1820, 170761)]