77776580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1601}}^1$

素因数の和:1964

約数の個数: 48

約数和(自身を含む): 187318656

約数和(自身を除く): 109542076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 347, 694, 1388, 1601, 1735, 2429, 3202, 3470, 4858, 6404, 6940, 8005, 9716, 11207, 12145, 16010, 22414, 24290, 32020, 44828, 48580, 56035, 112070, 224140, 555547, 1111094, 2222188, 2777735, 3888829, 5555470, 7777658, 11110940, 15555316, 19444145, 38888290, 77776580]

約数ペア:

[(1, 77776580), (2, 38888290), (4, 19444145), (5, 15555316), (7, 11110940), (10, 7777658), (14, 5555470), (20, 3888829), (28, 2777735), (35, 2222188), (70, 1111094), (140, 555547), (347, 224140), (694, 112070), (1388, 56035), (1601, 48580), (1735, 44828), (2429, 32020), (3202, 24290), (3470, 22414), (4858, 16010), (6404, 12145), (6940, 11207), (8005, 9716)]