211380625

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 40

約数和(自身を含む): 276717672

約数和(自身を除く): 65337047

約数列:

[1, 5, 25, 41, 73, 113, 125, 205, 365, 565, 625, 1025, 1825, 2825, 2993, 4633, 5125, 8249, 9125, 14125, 14965, 23165, 25625, 41245, 45625, 70625, 74825, 115825, 206225, 338209, 374125, 579125, 1031125, 1691045, 1870625, 2895625, 5155625, 8455225, 42276125, 211380625]

約数ペア:

[(1, 211380625), (5, 42276125), (25, 8455225), (41, 5155625), (73, 2895625), (113, 1870625), (125, 1691045), (205, 1031125), (365, 579125), (565, 374125), (625, 338209), (1025, 206225), (1825, 115825), (2825, 74825), (2993, 70625), (4633, 45625), (5125, 41245), (8249, 25625), (9125, 23165), (14125, 14965)]