68697380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 147592704

約数和(自身を除く): 78895324

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 211, 223, 292, 365, 422, 446, 730, 844, 892, 1055, 1115, 1460, 2110, 2230, 4220, 4460, 15403, 16279, 30806, 32558, 47053, 61612, 65116, 77015, 81395, 94106, 154030, 162790, 188212, 235265, 308060, 325580, 470530, 941060, 3434869, 6869738, 13739476, 17174345, 34348690, 68697380]

約数ペア:

[(1, 68697380), (2, 34348690), (4, 17174345), (5, 13739476), (10, 6869738), (20, 3434869), (73, 941060), (146, 470530), (211, 325580), (223, 308060), (292, 235265), (365, 188212), (422, 162790), (446, 154030), (730, 94106), (844, 81395), (892, 77015), (1055, 65116), (1115, 61612), (1460, 47053), (2110, 32558), (2230, 30806), (4220, 16279), (4460, 15403)]