215548690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{22153}}^1$

素因数の和:22306

約数の個数: 32

約数和(自身を含む): 446624640

約数和(自身を除く): 231075950

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 22153, 44306, 110765, 155071, 221530, 310142, 775355, 1550710, 3079267, 6158534, 15396335, 21554869, 30792670, 43109738, 107774345, 215548690]

約数ペア:

[(1, 215548690), (2, 107774345), (5, 43109738), (7, 30792670), (10, 21554869), (14, 15396335), (35, 6158534), (70, 3079267), (139, 1550710), (278, 775355), (695, 310142), (973, 221530), (1390, 155071), (1946, 110765), (4865, 44306), (9730, 22153)]