197145440

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4909}}^1$

素因数の和:5175

約数の個数: 48

約数和(自身を含む): 467706960

約数和(自身を除く): 270561520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 502, 1004, 1255, 2008, 2510, 4016, 4909, 5020, 8032, 9818, 10040, 19636, 20080, 24545, 39272, 40160, 49090, 78544, 98180, 157088, 196360, 392720, 785440, 1232159, 2464318, 4928636, 6160795, 9857272, 12321590, 19714544, 24643180, 39429088, 49286360, 98572720, 197145440]

約数ペア:

[(1, 197145440), (2, 98572720), (4, 49286360), (5, 39429088), (8, 24643180), (10, 19714544), (16, 12321590), (20, 9857272), (32, 6160795), (40, 4928636), (80, 2464318), (160, 1232159), (251, 785440), (502, 392720), (1004, 196360), (1255, 157088), (2008, 98180), (2510, 78544), (4016, 49090), (4909, 40160), (5020, 39272), (8032, 24545), (9818, 20080), (10040, 19636)]