30984340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 67026960

約数和(自身を除く): 36042620

約数列:

[1, 2, 4, 5, 10, 20, 61, 109, 122, 218, 233, 244, 305, 436, 466, 545, 610, 932, 1090, 1165, 1220, 2180, 2330, 4660, 6649, 13298, 14213, 25397, 26596, 28426, 33245, 50794, 56852, 66490, 71065, 101588, 126985, 132980, 142130, 253970, 284260, 507940, 1549217, 3098434, 6196868, 7746085, 15492170, 30984340]

約数ペア:

[(1, 30984340), (2, 15492170), (4, 7746085), (5, 6196868), (10, 3098434), (20, 1549217), (61, 507940), (109, 284260), (122, 253970), (218, 142130), (233, 132980), (244, 126985), (305, 101588), (436, 71065), (466, 66490), (545, 56852), (610, 50794), (932, 33245), (1090, 28426), (1165, 26596), (1220, 25397), (2180, 14213), (2330, 13298), (4660, 6649)]