141947440

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{9803}}^1$

素因数の和:9997

約数の個数: 40

約数和(自身を含む): 331885008

約数和(自身を除く): 189937568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 9803, 14480, 19606, 39212, 49015, 78424, 98030, 156848, 196060, 392120, 784240, 1774343, 3548686, 7097372, 8871715, 14194744, 17743430, 28389488, 35486860, 70973720, 141947440]

約数ペア:

[(1, 141947440), (2, 70973720), (4, 35486860), (5, 28389488), (8, 17743430), (10, 14194744), (16, 8871715), (20, 7097372), (40, 3548686), (80, 1774343), (181, 784240), (362, 392120), (724, 196060), (905, 156848), (1448, 98030), (1810, 78424), (2896, 49015), (3620, 39212), (7240, 19606), (9803, 14480)]