78242870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{4423}}^1$

素因数の和:4520

約数の個数: 32

約数和(自身を含む): 148115520

約数和(自身を除く): 69872650

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1769, 3538, 4423, 8845, 8846, 17690, 22115, 44230, 128267, 256534, 269803, 539606, 641335, 1282670, 1349015, 2698030, 7824287, 15648574, 39121435, 78242870]

約数ペア:

[(1, 78242870), (2, 39121435), (5, 15648574), (10, 7824287), (29, 2698030), (58, 1349015), (61, 1282670), (122, 641335), (145, 539606), (290, 269803), (305, 256534), (610, 128267), (1769, 44230), (3538, 22115), (4423, 17690), (8845, 8846)]