189468890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{1733}}^1$

素因数の和:1811

約数の個数: 48

約数和(自身を含む): 380599128

約数和(自身を除く): 191130238

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 841, 1682, 1733, 1885, 3466, 3770, 4205, 8410, 8665, 10933, 17330, 21866, 22529, 45058, 50257, 54665, 100514, 109330, 112645, 225290, 251285, 502570, 653341, 1306682, 1457453, 2914906, 3266705, 6533410, 7287265, 14574530, 18946889, 37893778, 94734445, 189468890]

約数ペア:

[(1, 189468890), (2, 94734445), (5, 37893778), (10, 18946889), (13, 14574530), (26, 7287265), (29, 6533410), (58, 3266705), (65, 2914906), (130, 1457453), (145, 1306682), (290, 653341), (377, 502570), (754, 251285), (841, 225290), (1682, 112645), (1733, 109330), (1885, 100514), (3466, 54665), (3770, 50257), (4205, 45058), (8410, 22529), (8665, 21866), (10933, 17330)]