4981990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2017}}^1$

素因数の和:2056

約数の個数: 32

約数和(自身を含む): 10170720

約数和(自身を除く): 5188730

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2017, 2470, 4034, 10085, 20170, 26221, 38323, 52442, 76646, 131105, 191615, 262210, 383230, 498199, 996398, 2490995, 4981990]

約数ペア:

[(1, 4981990), (2, 2490995), (5, 996398), (10, 498199), (13, 383230), (19, 262210), (26, 191615), (38, 131105), (65, 76646), (95, 52442), (130, 38323), (190, 26221), (247, 20170), (494, 10085), (1235, 4034), (2017, 2470)]