189802170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9901}}^1$

素因数の和:9988

約数の個数: 64

約数和(自身を含む): 513319680

約数和(自身を除く): 323517510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 710, 1065, 1278, 1917, 2130, 3195, 3834, 6390, 9585, 9901, 19170, 19802, 29703, 49505, 59406, 89109, 99010, 148515, 178218, 267327, 297030, 445545, 534654, 702971, 891090, 1336635, 1405942, 2108913, 2673270, 3514855, 4217826, 6326739, 7029710, 10544565, 12653478, 18980217, 21089130, 31633695, 37960434, 63267390, 94901085, 189802170]

約数ペア:

[(1, 189802170), (2, 94901085), (3, 63267390), (5, 37960434), (6, 31633695), (9, 21089130), (10, 18980217), (15, 12653478), (18, 10544565), (27, 7029710), (30, 6326739), (45, 4217826), (54, 3514855), (71, 2673270), (90, 2108913), (135, 1405942), (142, 1336635), (213, 891090), (270, 702971), (355, 534654), (426, 445545), (639, 297030), (710, 267327), (1065, 178218), (1278, 148515), (1917, 99010), (2130, 89109), (3195, 59406), (3834, 49505), (6390, 29703), (9585, 19802), (9901, 19170)]