2250990

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{397}}^1$

素因数の和:423

約数の個数: 80

約数和(自身を含む): 6934752

約数和(自身を除く): 4683762

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 397, 405, 567, 630, 794, 810, 945, 1134, 1191, 1890, 1985, 2382, 2779, 2835, 3573, 3970, 5558, 5670, 5955, 7146, 8337, 10719, 11910, 13895, 16674, 17865, 21438, 25011, 27790, 32157, 35730, 41685, 50022, 53595, 64314, 75033, 83370, 107190, 125055, 150066, 160785, 225099, 250110, 321570, 375165, 450198, 750330, 1125495, 2250990]

約数ペア:

[(1, 2250990), (2, 1125495), (3, 750330), (5, 450198), (6, 375165), (7, 321570), (9, 250110), (10, 225099), (14, 160785), (15, 150066), (18, 125055), (21, 107190), (27, 83370), (30, 75033), (35, 64314), (42, 53595), (45, 50022), (54, 41685), (63, 35730), (70, 32157), (81, 27790), (90, 25011), (105, 21438), (126, 17865), (135, 16674), (162, 13895), (189, 11910), (210, 10719), (270, 8337), (315, 7146), (378, 5955), (397, 5670), (405, 5558), (567, 3970), (630, 3573), (794, 2835), (810, 2779), (945, 2382), (1134, 1985), (1191, 1890)]