2389778890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{253423}}^1$

素因数の和:253494

約数の個数: 32

約数和(自身を含む): 4598125056

約数和(自身を除く): 2208346166

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1886, 4715, 9430, 253423, 506846, 1267115, 2534230, 5828729, 10390343, 11657458, 20780686, 29143645, 51951715, 58287290, 103903430, 238977889, 477955778, 1194889445, 2389778890]

約数ペア:

[(1, 2389778890), (2, 1194889445), (5, 477955778), (10, 238977889), (23, 103903430), (41, 58287290), (46, 51951715), (82, 29143645), (115, 20780686), (205, 11657458), (230, 10390343), (410, 5828729), (943, 2534230), (1886, 1267115), (4715, 506846), (9430, 253423)]