197644120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{69593}}^1$

素因数の和:69675

約数の個数: 32

約数和(自身を含む): 450969120

約数和(自身を除く): 253325000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 69593, 139186, 278372, 347965, 556744, 695930, 1391860, 2783720, 4941103, 9882206, 19764412, 24705515, 39528824, 49411030, 98822060, 197644120]

約数ペア:

[(1, 197644120), (2, 98822060), (4, 49411030), (5, 39528824), (8, 24705515), (10, 19764412), (20, 9882206), (40, 4941103), (71, 2783720), (142, 1391860), (284, 695930), (355, 556744), (568, 347965), (710, 278372), (1420, 139186), (2840, 69593)]