284173720

素因数分解:

$2^3\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{4937}}^1$

素因数の和:6387

約数の個数: 32

約数和(自身を含む): 639964800

約数和(自身を除く): 355791080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1439, 2878, 4937, 5756, 7195, 9874, 11512, 14390, 19748, 24685, 28780, 39496, 49370, 57560, 98740, 197480, 7104343, 14208686, 28417372, 35521715, 56834744, 71043430, 142086860, 284173720]

約数ペア:

[(1, 284173720), (2, 142086860), (4, 71043430), (5, 56834744), (8, 35521715), (10, 28417372), (20, 14208686), (40, 7104343), (1439, 197480), (2878, 98740), (4937, 57560), (5756, 49370), (7195, 39496), (9874, 28780), (11512, 24685), (14390, 19748)]