215570260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{2221}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 474832512

約数和(自身を除く): 259262252

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 211, 230, 422, 460, 844, 1055, 2110, 2221, 4220, 4442, 4853, 8884, 9706, 11105, 19412, 22210, 24265, 44420, 48530, 51083, 97060, 102166, 204332, 255415, 468631, 510830, 937262, 1021660, 1874524, 2343155, 4686310, 9372620, 10778513, 21557026, 43114052, 53892565, 107785130, 215570260]

約数ペア:

[(1, 215570260), (2, 107785130), (4, 53892565), (5, 43114052), (10, 21557026), (20, 10778513), (23, 9372620), (46, 4686310), (92, 2343155), (115, 1874524), (211, 1021660), (230, 937262), (422, 510830), (460, 468631), (844, 255415), (1055, 204332), (2110, 102166), (2221, 97060), (4220, 51083), (4442, 48530), (4853, 44420), (8884, 24265), (9706, 22210), (11105, 19412)]