389315692100

素因数分解:

$2^2\times 5^2\times {\mathrm{439}}^2\times {\mathrm{20201}}^1$

素因数の和:21093

約数の個数: 54

約数和(自身を含む): 846785759274

約数和(自身を除く): 457470067174

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 439, 878, 1756, 2195, 4390, 8780, 10975, 20201, 21950, 40402, 43900, 80804, 101005, 192721, 202010, 385442, 404020, 505025, 770884, 963605, 1010050, 1927210, 2020100, 3854420, 4818025, 8868239, 9636050, 17736478, 19272100, 35472956, 44341195, 88682390, 177364780, 221705975, 443411950, 886823900, 3893156921, 7786313842, 15572627684, 19465784605, 38931569210, 77863138420, 97328923025, 194657846050, 389315692100]

約数ペア:

[(1, 389315692100), (2, 194657846050), (4, 97328923025), (5, 77863138420), (10, 38931569210), (20, 19465784605), (25, 15572627684), (50, 7786313842), (100, 3893156921), (439, 886823900), (878, 443411950), (1756, 221705975), (2195, 177364780), (4390, 88682390), (8780, 44341195), (10975, 35472956), (20201, 19272100), (21950, 17736478), (40402, 9636050), (43900, 8868239), (80804, 4818025), (101005, 3854420), (192721, 2020100), (202010, 1927210), (385442, 1010050), (404020, 963605), (505025, 770884)]