2487732890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{31249}}^1$

素因数の和:31694

約数の個数: 32

約数和(自身を含む): 4725000000

約数和(自身を除く): 2237267110

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 419, 838, 2095, 4190, 7961, 15922, 31249, 39805, 62498, 79610, 156245, 312490, 593731, 1187462, 2968655, 5937310, 13093331, 26186662, 65466655, 130933310, 248773289, 497546578, 1243866445, 2487732890]

約数ペア:

[(1, 2487732890), (2, 1243866445), (5, 497546578), (10, 248773289), (19, 130933310), (38, 65466655), (95, 26186662), (190, 13093331), (419, 5937310), (838, 2968655), (2095, 1187462), (4190, 593731), (7961, 312490), (15922, 156245), (31249, 79610), (39805, 62498)]