79911580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2221}}^1$

素因数の和:2494

約数の個数: 48

約数和(自身を含む): 192620736

約数和(自身を除く): 112709156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 2221, 2570, 3598, 4442, 5140, 7196, 8884, 8995, 11105, 15547, 17990, 22210, 31094, 35980, 44420, 62188, 77735, 155470, 310940, 570797, 1141594, 2283188, 2853985, 3995579, 5707970, 7991158, 11415940, 15982316, 19977895, 39955790, 79911580]

約数ペア:

[(1, 79911580), (2, 39955790), (4, 19977895), (5, 15982316), (7, 11415940), (10, 7991158), (14, 5707970), (20, 3995579), (28, 2853985), (35, 2283188), (70, 1141594), (140, 570797), (257, 310940), (514, 155470), (1028, 77735), (1285, 62188), (1799, 44420), (2221, 35980), (2570, 31094), (3598, 22210), (4442, 17990), (5140, 15547), (7196, 11105), (8884, 8995)]