163177660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{743}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 349977600

約数和(自身を除く): 186799940

約数列:

[1, 2, 4, 5, 10, 20, 79, 139, 158, 278, 316, 395, 556, 695, 743, 790, 1390, 1486, 1580, 2780, 2972, 3715, 7430, 10981, 14860, 21962, 43924, 54905, 58697, 103277, 109810, 117394, 206554, 219620, 234788, 293485, 413108, 516385, 586970, 1032770, 1173940, 2065540, 8158883, 16317766, 32635532, 40794415, 81588830, 163177660]

約数ペア:

[(1, 163177660), (2, 81588830), (4, 40794415), (5, 32635532), (10, 16317766), (20, 8158883), (79, 2065540), (139, 1173940), (158, 1032770), (278, 586970), (316, 516385), (395, 413108), (556, 293485), (695, 234788), (743, 219620), (790, 206554), (1390, 117394), (1486, 109810), (1580, 103277), (2780, 58697), (2972, 54905), (3715, 43924), (7430, 21962), (10981, 14860)]