195996970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1087}}^1$

素因数の和:1199

約数の個数: 64

約数和(自身を含む): 405780480

約数和(自身を除く): 209783510

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 73, 95, 130, 146, 190, 247, 365, 494, 730, 949, 1087, 1235, 1387, 1898, 2174, 2470, 2774, 4745, 5435, 6935, 9490, 10870, 13870, 14131, 18031, 20653, 28262, 36062, 41306, 70655, 79351, 90155, 103265, 141310, 158702, 180310, 206530, 268489, 396755, 536978, 793510, 1031563, 1342445, 1507669, 2063126, 2684890, 3015338, 5157815, 7538345, 10315630, 15076690, 19599697, 39199394, 97998485, 195996970]

約数ペア:

[(1, 195996970), (2, 97998485), (5, 39199394), (10, 19599697), (13, 15076690), (19, 10315630), (26, 7538345), (38, 5157815), (65, 3015338), (73, 2684890), (95, 2063126), (130, 1507669), (146, 1342445), (190, 1031563), (247, 793510), (365, 536978), (494, 396755), (730, 268489), (949, 206530), (1087, 180310), (1235, 158702), (1387, 141310), (1898, 103265), (2174, 90155), (2470, 79351), (2774, 70655), (4745, 41306), (5435, 36062), (6935, 28262), (9490, 20653), (10870, 18031), (13870, 14131)]