19970125

素因数分解:

$5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 29502720

約数和(自身を除く): 9532595

約数列:

[1, 5, 7, 25, 29, 35, 125, 145, 175, 203, 725, 787, 875, 1015, 3625, 3935, 5075, 5509, 19675, 22823, 25375, 27545, 98375, 114115, 137725, 159761, 570575, 688625, 798805, 2852875, 3994025, 19970125]

約数ペア:

[(1, 19970125), (5, 3994025), (7, 2852875), (25, 798805), (29, 688625), (35, 570575), (125, 159761), (145, 137725), (175, 114115), (203, 98375), (725, 27545), (787, 25375), (875, 22823), (1015, 19675), (3625, 5509), (3935, 5075)]