2939140

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{659}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 6209280

約数和(自身を除く): 3270140

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 659, 892, 1115, 1318, 2230, 2636, 3295, 4460, 6590, 13180, 146957, 293914, 587828, 734785, 1469570, 2939140]

約数ペア:

[(1, 2939140), (2, 1469570), (4, 734785), (5, 587828), (10, 293914), (20, 146957), (223, 13180), (446, 6590), (659, 4460), (892, 3295), (1115, 2636), (1318, 2230)]