780725690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{4241}}^1$

素因数の和:4738

約数の個数: 32

約数和(自身を含む): 1443128400

約数和(自身を除く): 662402710

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 449, 898, 2245, 4241, 4490, 8482, 18409, 21205, 36818, 42410, 92045, 173881, 184090, 347762, 869405, 1738810, 1904209, 3808418, 9521045, 19042090, 78072569, 156145138, 390362845, 780725690]

約数ペア:

[(1, 780725690), (2, 390362845), (5, 156145138), (10, 78072569), (41, 19042090), (82, 9521045), (205, 3808418), (410, 1904209), (449, 1738810), (898, 869405), (2245, 347762), (4241, 184090), (4490, 173881), (8482, 92045), (18409, 42410), (21205, 36818)]