90649860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{215833}}^1$

素因数の和:215852

約数の個数: 48

約数和(自身を含む): 290080896

約数和(自身を除く): 199431036

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, 215833, 431666, 647499, 863332, 1079165, 1294998, 1510831, 2158330, 2589996, 3021662, 3237495, 4316660, 4532493, 6043324, 6474990, 7554155, 9064986, 12949980, 15108310, 18129972, 22662465, 30216620, 45324930, 90649860]

約数ペア:

[(1, 90649860), (2, 45324930), (3, 30216620), (4, 22662465), (5, 18129972), (6, 15108310), (7, 12949980), (10, 9064986), (12, 7554155), (14, 6474990), (15, 6043324), (20, 4532493), (21, 4316660), (28, 3237495), (30, 3021662), (35, 2589996), (42, 2158330), (60, 1510831), (70, 1294998), (84, 1079165), (105, 863332), (140, 647499), (210, 431666), (420, 215833)]