2450890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1109}}^1$

素因数の和:1146

約数の個数: 32

約数和(自身を含む): 5034960

約数和(自身を除く): 2584070

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 1109, 2210, 2218, 5545, 11090, 14417, 18853, 28834, 37706, 72085, 94265, 144170, 188530, 245089, 490178, 1225445, 2450890]

約数ペア:

[(1, 2450890), (2, 1225445), (5, 490178), (10, 245089), (13, 188530), (17, 144170), (26, 94265), (34, 72085), (65, 37706), (85, 28834), (130, 18853), (170, 14417), (221, 11090), (442, 5545), (1105, 2218), (1109, 2210)]