1572740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 3725568

約数和(自身を除く): 2152828

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 263, 299, 460, 526, 598, 1052, 1196, 1315, 1495, 2630, 2990, 3419, 5260, 5980, 6049, 6838, 12098, 13676, 17095, 24196, 30245, 34190, 60490, 68380, 78637, 120980, 157274, 314548, 393185, 786370, 1572740]

約数ペア:

[(1, 1572740), (2, 786370), (4, 393185), (5, 314548), (10, 157274), (13, 120980), (20, 78637), (23, 68380), (26, 60490), (46, 34190), (52, 30245), (65, 24196), (92, 17095), (115, 13676), (130, 12098), (230, 6838), (260, 6049), (263, 5980), (299, 5260), (460, 3419), (526, 2990), (598, 2630), (1052, 1495), (1196, 1315)]