2058902780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{217643}}^1$

素因数の和:217706

約数の個数: 48

約数和(自身を含む): 4826473344

約数和(自身を除く): 2767570564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 217643, 435286, 870572, 1088215, 2176430, 2394073, 4352860, 4788146, 9358649, 9576292, 11970365, 18717298, 23940730, 37434596, 46793245, 47881460, 93586490, 102945139, 187172980, 205890278, 411780556, 514725695, 1029451390, 2058902780]

約数ペア:

[(1, 2058902780), (2, 1029451390), (4, 514725695), (5, 411780556), (10, 205890278), (11, 187172980), (20, 102945139), (22, 93586490), (43, 47881460), (44, 46793245), (55, 37434596), (86, 23940730), (110, 18717298), (172, 11970365), (215, 9576292), (220, 9358649), (430, 4788146), (473, 4352860), (860, 2394073), (946, 2176430), (1892, 1088215), (2365, 870572), (4730, 435286), (9460, 217643)]