2018832820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71947}}^1$

素因数の和:72040

約数の個数: 48

約数和(自身を含む): 4496462208

約数和(自身を除く): 2477629388

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 1220, 1403, 2806, 5612, 7015, 14030, 28060, 71947, 143894, 287788, 359735, 719470, 1438940, 1654781, 3309562, 4388767, 6619124, 8273905, 8777534, 16547810, 17555068, 21943835, 33095620, 43887670, 87775340, 100941641, 201883282, 403766564, 504708205, 1009416410, 2018832820]

約数ペア:

[(1, 2018832820), (2, 1009416410), (4, 504708205), (5, 403766564), (10, 201883282), (20, 100941641), (23, 87775340), (46, 43887670), (61, 33095620), (92, 21943835), (115, 17555068), (122, 16547810), (230, 8777534), (244, 8273905), (305, 6619124), (460, 4388767), (610, 3309562), (1220, 1654781), (1403, 1438940), (2806, 719470), (5612, 359735), (7015, 287788), (14030, 143894), (28060, 71947)]