78435940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4513}}^1$

素因数の和:4612

約数の個数: 48

約数和(自身を含む): 182004480

約数和(自身を除く): 103568540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 4513, 8690, 9026, 17380, 18052, 22565, 45130, 49643, 90260, 99286, 198572, 248215, 356527, 496430, 713054, 992860, 1426108, 1782635, 3565270, 3921797, 7130540, 7843594, 15687188, 19608985, 39217970, 78435940]

約数ペア:

[(1, 78435940), (2, 39217970), (4, 19608985), (5, 15687188), (10, 7843594), (11, 7130540), (20, 3921797), (22, 3565270), (44, 1782635), (55, 1426108), (79, 992860), (110, 713054), (158, 496430), (220, 356527), (316, 248215), (395, 198572), (790, 99286), (869, 90260), (1580, 49643), (1738, 45130), (3476, 22565), (4345, 18052), (4513, 17380), (8690, 9026)]