2009081790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{720101}}^1$

素因数の和:720145

約数の個数: 48

約数和(自身を含む): 5392123776

約数和(自身を除く): 3383041986

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 720101, 1440202, 2160303, 3600505, 4320606, 6480909, 7201010, 10801515, 12961818, 21603030, 22323131, 32404545, 44646262, 64809090, 66969393, 111615655, 133938786, 200908179, 223231310, 334846965, 401816358, 669693930, 1004540895, 2009081790]

約数ペア:

[(1, 2009081790), (2, 1004540895), (3, 669693930), (5, 401816358), (6, 334846965), (9, 223231310), (10, 200908179), (15, 133938786), (18, 111615655), (30, 66969393), (31, 64809090), (45, 44646262), (62, 32404545), (90, 22323131), (93, 21603030), (155, 12961818), (186, 10801515), (279, 7201010), (310, 6480909), (465, 4320606), (558, 3600505), (930, 2160303), (1395, 1440202), (2790, 720101)]