981121850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{2207}}^1$

素因数の和:2759

約数の個数: 48

約数和(自身を含む): 1936804608

約数和(自身を除く): 955682758

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 523, 850, 1046, 2207, 2615, 4414, 5230, 8891, 11035, 13075, 17782, 22070, 26150, 37519, 44455, 55175, 75038, 88910, 110350, 187595, 222275, 375190, 444550, 937975, 1154261, 1875950, 2308522, 5771305, 11542610, 19622437, 28856525, 39244874, 57713050, 98112185, 196224370, 490560925, 981121850]

約数ペア:

[(1, 981121850), (2, 490560925), (5, 196224370), (10, 98112185), (17, 57713050), (25, 39244874), (34, 28856525), (50, 19622437), (85, 11542610), (170, 5771305), (425, 2308522), (523, 1875950), (850, 1154261), (1046, 937975), (2207, 444550), (2615, 375190), (4414, 222275), (5230, 187595), (8891, 110350), (11035, 88910), (13075, 75038), (17782, 55175), (22070, 44455), (26150, 37519)]