3985820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 9344160

約数和(自身を除く): 5358340

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 617, 646, 1234, 1292, 1615, 2468, 3085, 3230, 6170, 6460, 10489, 11723, 12340, 20978, 23446, 41956, 46892, 52445, 58615, 104890, 117230, 199291, 209780, 234460, 398582, 797164, 996455, 1992910, 3985820]

約数ペア:

[(1, 3985820), (2, 1992910), (4, 996455), (5, 797164), (10, 398582), (17, 234460), (19, 209780), (20, 199291), (34, 117230), (38, 104890), (68, 58615), (76, 52445), (85, 46892), (95, 41956), (170, 23446), (190, 20978), (323, 12340), (340, 11723), (380, 10489), (617, 6460), (646, 6170), (1234, 3230), (1292, 3085), (1615, 2468)]