138985140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{330917}}^1$

素因数の和:330936

約数の個数: 48

約数和(自身を含む): 444753792

約数和(自身を除く): 305768652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 330917, 661834, 992751, 1323668, 1654585, 1985502, 2316419, 3309170, 3971004, 4632838, 4963755, 6618340, 6949257, 9265676, 9927510, 11582095, 13898514, 19855020, 23164190, 27797028, 34746285, 46328380, 69492570, 138985140]

約数ペア:

[(1, 138985140), (2, 69492570), (3, 46328380), (4, 34746285), (5, 27797028), (6, 23164190), (7, 19855020), (10, 13898514), (12, 11582095), (14, 9927510), (15, 9265676), (20, 6949257), (21, 6618340), (28, 4963755), (30, 4632838), (35, 3971004), (42, 3309170), (60, 2316419), (70, 1985502), (84, 1654585), (105, 1323668), (140, 992751), (210, 661834), (420, 330917)]