1712440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 3980160

約数和(自身を除く): 2267720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1381, 2762, 5524, 6905, 11048, 13810, 27620, 42811, 55240, 85622, 171244, 214055, 342488, 428110, 856220, 1712440]

約数ペア:

[(1, 1712440), (2, 856220), (4, 428110), (5, 342488), (8, 214055), (10, 171244), (20, 85622), (31, 55240), (40, 42811), (62, 27620), (124, 13810), (155, 11048), (248, 6905), (310, 5524), (620, 2762), (1240, 1381)]