1223157080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{986417}}^1$

素因数の和:986459

約数の個数: 32

約数和(自身を含む): 2840883840

約数和(自身を除く): 1617726760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 986417, 1972834, 3945668, 4932085, 7891336, 9864170, 19728340, 30578927, 39456680, 61157854, 122315708, 152894635, 244631416, 305789270, 611578540, 1223157080]

約数ペア:

[(1, 1223157080), (2, 611578540), (4, 305789270), (5, 244631416), (8, 152894635), (10, 122315708), (20, 61157854), (31, 39456680), (40, 30578927), (62, 19728340), (124, 9864170), (155, 7891336), (248, 4932085), (310, 3945668), (620, 1972834), (1240, 986417)]