66408860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1367}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 159957504

約数和(自身を除く): 93548644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 347, 694, 1367, 1388, 1735, 2429, 2734, 3470, 4858, 5468, 6835, 6940, 9569, 9716, 12145, 13670, 19138, 24290, 27340, 38276, 47845, 48580, 95690, 191380, 474349, 948698, 1897396, 2371745, 3320443, 4743490, 6640886, 9486980, 13281772, 16602215, 33204430, 66408860]

約数ペア:

[(1, 66408860), (2, 33204430), (4, 16602215), (5, 13281772), (7, 9486980), (10, 6640886), (14, 4743490), (20, 3320443), (28, 2371745), (35, 1897396), (70, 948698), (140, 474349), (347, 191380), (694, 95690), (1367, 48580), (1388, 47845), (1735, 38276), (2429, 27340), (2734, 24290), (3470, 19138), (4858, 13670), (5468, 12145), (6835, 9716), (6940, 9569)]