2009249390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1\times {\mathrm{8389}}^1$

素因数の和:8996

約数の個数: 32

約数和(自身を含む): 3707843040

約数和(自身を除く): 1698593650

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 557, 1114, 2785, 5570, 8389, 16778, 23951, 41945, 47902, 83890, 119755, 239510, 360727, 721454, 1803635, 3607270, 4672673, 9345346, 23363365, 46726730, 200924939, 401849878, 1004624695, 2009249390]

約数ペア:

[(1, 2009249390), (2, 1004624695), (5, 401849878), (10, 200924939), (43, 46726730), (86, 23363365), (215, 9345346), (430, 4672673), (557, 3607270), (1114, 1803635), (2785, 721454), (5570, 360727), (8389, 239510), (16778, 119755), (23951, 83890), (41945, 47902)]