77790860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9109}}^1$

素因数の和:9186

約数の個数: 48

約数和(自身を含む): 189779520

約数和(自身を除く): 111988660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 9109, 18218, 36436, 45545, 63763, 91090, 127526, 182180, 255052, 318815, 555649, 637630, 1111298, 1275260, 2222596, 2778245, 3889543, 5556490, 7779086, 11112980, 15558172, 19447715, 38895430, 77790860]

約数ペア:

[(1, 77790860), (2, 38895430), (4, 19447715), (5, 15558172), (7, 11112980), (10, 7779086), (14, 5556490), (20, 3889543), (28, 2778245), (35, 2222596), (61, 1275260), (70, 1111298), (122, 637630), (140, 555649), (244, 318815), (305, 255052), (427, 182180), (610, 127526), (854, 91090), (1220, 63763), (1708, 45545), (2135, 36436), (4270, 18218), (8540, 9109)]