149728520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{220189}}^1$

素因数の和:220217

約数の個数: 32

約数和(自身を含む): 356707800

約数和(自身を除く): 206979280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 220189, 440378, 880756, 1100945, 1761512, 2201890, 3743213, 4403780, 7486426, 8807560, 14972852, 18716065, 29945704, 37432130, 74864260, 149728520]

約数ペア:

[(1, 149728520), (2, 74864260), (4, 37432130), (5, 29945704), (8, 18716065), (10, 14972852), (17, 8807560), (20, 7486426), (34, 4403780), (40, 3743213), (68, 2201890), (85, 1761512), (136, 1100945), (170, 880756), (340, 440378), (680, 220189)]