9880910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{263}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 20424096

約数和(自身を除く): 10543186

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 263, 289, 442, 526, 578, 1105, 1315, 1445, 2210, 2630, 2890, 3419, 3757, 4471, 6838, 7514, 8942, 17095, 18785, 22355, 34190, 37570, 44710, 58123, 76007, 116246, 152014, 290615, 380035, 581230, 760070, 988091, 1976182, 4940455, 9880910]

約数ペア:

[(1, 9880910), (2, 4940455), (5, 1976182), (10, 988091), (13, 760070), (17, 581230), (26, 380035), (34, 290615), (65, 152014), (85, 116246), (130, 76007), (170, 58123), (221, 44710), (263, 37570), (289, 34190), (442, 22355), (526, 18785), (578, 17095), (1105, 8942), (1315, 7514), (1445, 6838), (2210, 4471), (2630, 3757), (2890, 3419)]