128412390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251789}}^1$

素因数の和:251816

約数の個数: 32

約数和(自身を含む): 326319840

約数和(自身を除く): 197907450

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 251789, 503578, 755367, 1258945, 1510734, 2517890, 3776835, 4280413, 7553670, 8560826, 12841239, 21402065, 25682478, 42804130, 64206195, 128412390]

約数ペア:

[(1, 128412390), (2, 64206195), (3, 42804130), (5, 25682478), (6, 21402065), (10, 12841239), (15, 8560826), (17, 7553670), (30, 4280413), (34, 3776835), (51, 2517890), (85, 1510734), (102, 1258945), (170, 755367), (255, 503578), (510, 251789)]