157020425

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:470

約数の個数: 36

約数和(自身を含む): 210653184

約数和(自身を除く): 53632759

約数列:

[1, 5, 23, 25, 31, 115, 155, 383, 529, 575, 713, 775, 1915, 2645, 3565, 8809, 9575, 11873, 13225, 16399, 17825, 44045, 59365, 81995, 202607, 220225, 273079, 296825, 409975, 1013035, 1365395, 5065175, 6280817, 6826975, 31404085, 157020425]

約数ペア:

[(1, 157020425), (5, 31404085), (23, 6826975), (25, 6280817), (31, 5065175), (115, 1365395), (155, 1013035), (383, 409975), (529, 296825), (575, 273079), (713, 220225), (775, 202607), (1915, 81995), (2645, 59365), (3565, 44045), (8809, 17825), (9575, 16399), (11873, 13225)]