2499804970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{1663}}^1$

素因数の和:2087

約数の個数: 64

約数和(自身を含む): 5018517504

約数和(自身を除く): 2518712534

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 373, 403, 746, 806, 1663, 1865, 2015, 3326, 3730, 4030, 4849, 8315, 9698, 11563, 16630, 21619, 23126, 24245, 43238, 48490, 51553, 57815, 103106, 108095, 115630, 150319, 216190, 257765, 300638, 515530, 620299, 670189, 751595, 1240598, 1340378, 1503190, 3101495, 3350945, 6202990, 6701890, 8063887, 16127774, 19229269, 38458538, 40319435, 80638870, 96146345, 192292690, 249980497, 499960994, 1249902485, 2499804970]

約数ペア:

[(1, 2499804970), (2, 1249902485), (5, 499960994), (10, 249980497), (13, 192292690), (26, 96146345), (31, 80638870), (62, 40319435), (65, 38458538), (130, 19229269), (155, 16127774), (310, 8063887), (373, 6701890), (403, 6202990), (746, 3350945), (806, 3101495), (1663, 1503190), (1865, 1340378), (2015, 1240598), (3326, 751595), (3730, 670189), (4030, 620299), (4849, 515530), (8315, 300638), (9698, 257765), (11563, 216190), (16630, 150319), (21619, 115630), (23126, 108095), (24245, 103106), (43238, 57815), (48490, 51553)]