211064620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{4861}}^1$

素因数の和:5050

約数の個数: 48

約数和(自身を含む): 480287808

約数和(自身を除く): 269223188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 260, 334, 668, 835, 1670, 2171, 3340, 4342, 4861, 8684, 9722, 10855, 19444, 21710, 24305, 43420, 48610, 63193, 97220, 126386, 252772, 315965, 631930, 811787, 1263860, 1623574, 3247148, 4058935, 8117870, 10553231, 16235740, 21106462, 42212924, 52766155, 105532310, 211064620]

約数ペア:

[(1, 211064620), (2, 105532310), (4, 52766155), (5, 42212924), (10, 21106462), (13, 16235740), (20, 10553231), (26, 8117870), (52, 4058935), (65, 3247148), (130, 1623574), (167, 1263860), (260, 811787), (334, 631930), (668, 315965), (835, 252772), (1670, 126386), (2171, 97220), (3340, 63193), (4342, 48610), (4861, 43420), (8684, 24305), (9722, 21710), (10855, 19444)]