78207490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{4421}}^1$

素因数の和:4518

約数の個数: 32

約数和(自身を含む): 148048560

約数和(自身を除く): 69841070

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1769, 3538, 4421, 8842, 8845, 17690, 22105, 44210, 128209, 256418, 269681, 539362, 641045, 1282090, 1348405, 2696810, 7820749, 15641498, 39103745, 78207490]

約数ペア:

[(1, 78207490), (2, 39103745), (5, 15641498), (10, 7820749), (29, 2696810), (58, 1348405), (61, 1282090), (122, 641045), (145, 539362), (290, 269681), (305, 256418), (610, 128209), (1769, 44210), (3538, 22105), (4421, 17690), (8842, 8845)]