549919660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{11047}}^1$

素因数の和:11206

約数の個数: 48

約数和(自身を含む): 1225002240

約数和(自身を除く): 675082580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1310, 2489, 2620, 4978, 9956, 11047, 12445, 22094, 24890, 44188, 49780, 55235, 110470, 209893, 220940, 419786, 839572, 1049465, 1447157, 2098930, 2894314, 4197860, 5788628, 7235785, 14471570, 27495983, 28943140, 54991966, 109983932, 137479915, 274959830, 549919660]

約数ペア:

[(1, 549919660), (2, 274959830), (4, 137479915), (5, 109983932), (10, 54991966), (19, 28943140), (20, 27495983), (38, 14471570), (76, 7235785), (95, 5788628), (131, 4197860), (190, 2894314), (262, 2098930), (380, 1447157), (524, 1049465), (655, 839572), (1310, 419786), (2489, 220940), (2620, 209893), (4978, 110470), (9956, 55235), (11047, 49780), (12445, 44188), (22094, 24890)]