409968125

素因数分解:

$5^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1129}}^1$

素因数の和:1239

約数の個数: 40

約数和(自身を含む): 593060160

約数和(自身を除く): 183092035

約数列:

[1, 5, 7, 25, 35, 83, 125, 175, 415, 581, 625, 875, 1129, 2075, 2905, 4375, 5645, 7903, 10375, 14525, 28225, 39515, 51875, 72625, 93707, 141125, 197575, 363125, 468535, 655949, 705625, 987875, 2342675, 3279745, 4939375, 11713375, 16398725, 58566875, 81993625, 409968125]

約数ペア:

[(1, 409968125), (5, 81993625), (7, 58566875), (25, 16398725), (35, 11713375), (83, 4939375), (125, 3279745), (175, 2342675), (415, 987875), (581, 705625), (625, 655949), (875, 468535), (1129, 363125), (2075, 197575), (2905, 141125), (4375, 93707), (5645, 72625), (7903, 51875), (10375, 39515), (14525, 28225)]