178159540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1069}}^1$

素因数の和:1732

約数の個数: 48

約数和(自身を含む): 403920720

約数和(自身を除く): 225761180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 641, 1069, 1282, 2138, 2564, 3205, 4276, 5345, 6410, 8333, 10690, 12820, 13897, 16666, 21380, 27794, 33332, 41665, 55588, 69485, 83330, 138970, 166660, 277940, 685229, 1370458, 2740916, 3426145, 6852290, 8907977, 13704580, 17815954, 35631908, 44539885, 89079770, 178159540]

約数ペア:

[(1, 178159540), (2, 89079770), (4, 44539885), (5, 35631908), (10, 17815954), (13, 13704580), (20, 8907977), (26, 6852290), (52, 3426145), (65, 2740916), (130, 1370458), (260, 685229), (641, 277940), (1069, 166660), (1282, 138970), (2138, 83330), (2564, 69485), (3205, 55588), (4276, 41665), (5345, 33332), (6410, 27794), (8333, 21380), (10690, 16666), (12820, 13897)]