28057150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:529

約数の個数: 48

約数和(自身を含む): 57496320

約数和(自身を除く): 29439170

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 139, 275, 278, 367, 550, 695, 734, 1390, 1529, 1835, 3058, 3475, 3670, 4037, 6950, 7645, 8074, 9175, 15290, 18350, 20185, 38225, 40370, 51013, 76450, 100925, 102026, 201850, 255065, 510130, 561143, 1122286, 1275325, 2550650, 2805715, 5611430, 14028575, 28057150]

約数ペア:

[(1, 28057150), (2, 14028575), (5, 5611430), (10, 2805715), (11, 2550650), (22, 1275325), (25, 1122286), (50, 561143), (55, 510130), (110, 255065), (139, 201850), (275, 102026), (278, 100925), (367, 76450), (550, 51013), (695, 40370), (734, 38225), (1390, 20185), (1529, 18350), (1835, 15290), (3058, 9175), (3475, 8074), (3670, 7645), (4037, 6950)]