66870580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3761}}^1$

素因数の和:3904

約数の個数: 48

約数和(自身を含む): 161796096

約数和(自身を除く): 94925516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 3761, 4445, 7522, 8890, 15044, 17780, 18805, 26327, 37610, 52654, 75220, 105308, 131635, 263270, 477647, 526540, 955294, 1910588, 2388235, 3343529, 4776470, 6687058, 9552940, 13374116, 16717645, 33435290, 66870580]

約数ペア:

[(1, 66870580), (2, 33435290), (4, 16717645), (5, 13374116), (7, 9552940), (10, 6687058), (14, 4776470), (20, 3343529), (28, 2388235), (35, 1910588), (70, 955294), (127, 526540), (140, 477647), (254, 263270), (508, 131635), (635, 105308), (889, 75220), (1270, 52654), (1778, 37610), (2540, 26327), (3556, 18805), (3761, 17780), (4445, 15044), (7522, 8890)]