30278380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{601}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 69783840

約数和(自身を除く): 39505460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 458, 601, 916, 1145, 1202, 2290, 2404, 2519, 3005, 4580, 5038, 6010, 6611, 10076, 12020, 12595, 13222, 25190, 26444, 33055, 50380, 66110, 132220, 137629, 275258, 550516, 688145, 1376290, 1513919, 2752580, 3027838, 6055676, 7569595, 15139190, 30278380]

約数ペア:

[(1, 30278380), (2, 15139190), (4, 7569595), (5, 6055676), (10, 3027838), (11, 2752580), (20, 1513919), (22, 1376290), (44, 688145), (55, 550516), (110, 275258), (220, 137629), (229, 132220), (458, 66110), (601, 50380), (916, 33055), (1145, 26444), (1202, 25190), (2290, 13222), (2404, 12595), (2519, 12020), (3005, 10076), (4580, 6611), (5038, 6010)]