419221990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{122939}}^1$

素因数の和:122988

約数の個数: 32

約数和(自身を含む): 849761280

約数和(自身を除く): 430539290

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 122939, 245878, 614695, 1229390, 1352329, 2704658, 3811109, 6761645, 7622218, 13523290, 19055545, 38111090, 41922199, 83844398, 209610995, 419221990]

約数ペア:

[(1, 419221990), (2, 209610995), (5, 83844398), (10, 41922199), (11, 38111090), (22, 19055545), (31, 13523290), (55, 7622218), (62, 6761645), (110, 3811109), (155, 2704658), (310, 1352329), (341, 1229390), (682, 614695), (1705, 245878), (3410, 122939)]