408078575

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 550440960

約数和(自身を除く): 142362385

約数列:

[1, 5, 25, 29, 31, 67, 145, 155, 271, 335, 725, 775, 899, 1355, 1675, 1943, 2077, 4495, 6775, 7859, 8401, 9715, 10385, 18157, 22475, 39295, 42005, 48575, 51925, 60233, 90785, 196475, 210025, 243629, 301165, 453925, 526553, 562867, 1218145, 1505825, 2632765, 2814335, 6090725, 13163825, 14071675, 16323143, 81615715, 408078575]

約数ペア:

[(1, 408078575), (5, 81615715), (25, 16323143), (29, 14071675), (31, 13163825), (67, 6090725), (145, 2814335), (155, 2632765), (271, 1505825), (335, 1218145), (725, 562867), (775, 526553), (899, 453925), (1355, 301165), (1675, 243629), (1943, 210025), (2077, 196475), (4495, 90785), (6775, 60233), (7859, 51925), (8401, 48575), (9715, 42005), (10385, 39295), (18157, 22475)]