309595970

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1\times {\mathrm{647}}^1$

素因数の和:1202

約数の個数: 32

約数和(自身を含む): 564537600

約数和(自身を除く): 254941630

約数列:

[1, 2, 5, 10, 109, 218, 439, 545, 647, 878, 1090, 1294, 2195, 3235, 4390, 6470, 47851, 70523, 95702, 141046, 239255, 284033, 352615, 478510, 568066, 705230, 1420165, 2840330, 30959597, 61919194, 154797985, 309595970]

約数ペア:

[(1, 309595970), (2, 154797985), (5, 61919194), (10, 30959597), (109, 2840330), (218, 1420165), (439, 705230), (545, 568066), (647, 478510), (878, 352615), (1090, 284033), (1294, 239255), (2195, 141046), (3235, 95702), (4390, 70523), (6470, 47851)]