205324100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:525

約数の個数: 72

約数和(自身を含む): 461512128

約数和(自身を除く): 256188028

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 211, 263, 370, 422, 526, 740, 844, 925, 1052, 1055, 1315, 1850, 2110, 2630, 3700, 4220, 5260, 5275, 6575, 7807, 9731, 10550, 13150, 15614, 19462, 21100, 26300, 31228, 38924, 39035, 48655, 55493, 78070, 97310, 110986, 156140, 194620, 195175, 221972, 243275, 277465, 390350, 486550, 554930, 780700, 973100, 1109860, 1387325, 2053241, 2774650, 4106482, 5549300, 8212964, 10266205, 20532410, 41064820, 51331025, 102662050, 205324100]

約数ペア:

[(1, 205324100), (2, 102662050), (4, 51331025), (5, 41064820), (10, 20532410), (20, 10266205), (25, 8212964), (37, 5549300), (50, 4106482), (74, 2774650), (100, 2053241), (148, 1387325), (185, 1109860), (211, 973100), (263, 780700), (370, 554930), (422, 486550), (526, 390350), (740, 277465), (844, 243275), (925, 221972), (1052, 195175), (1055, 194620), (1315, 156140), (1850, 110986), (2110, 97310), (2630, 78070), (3700, 55493), (4220, 48655), (5260, 39035), (5275, 38924), (6575, 31228), (7807, 26300), (9731, 21100), (10550, 19462), (13150, 15614)]