127288520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{187189}}^1$

素因数の和:187217

約数の個数: 32

約数和(自身を含む): 303247800

約数和(自身を除く): 175959280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 187189, 374378, 748756, 935945, 1497512, 1871890, 3182213, 3743780, 6364426, 7487560, 12728852, 15911065, 25457704, 31822130, 63644260, 127288520]

約数ペア:

[(1, 127288520), (2, 63644260), (4, 31822130), (5, 25457704), (8, 15911065), (10, 12728852), (17, 7487560), (20, 6364426), (34, 3743780), (40, 3182213), (68, 1871890), (85, 1497512), (136, 935945), (170, 748756), (340, 374378), (680, 187189)]