2578660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 6281856

約数和(自身を除く): 3703196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 163, 226, 326, 452, 565, 652, 791, 815, 1130, 1141, 1582, 1630, 2260, 2282, 3164, 3260, 3955, 4564, 5705, 7910, 11410, 15820, 18419, 22820, 36838, 73676, 92095, 128933, 184190, 257866, 368380, 515732, 644665, 1289330, 2578660]

約数ペア:

[(1, 2578660), (2, 1289330), (4, 644665), (5, 515732), (7, 368380), (10, 257866), (14, 184190), (20, 128933), (28, 92095), (35, 73676), (70, 36838), (113, 22820), (140, 18419), (163, 15820), (226, 11410), (326, 7910), (452, 5705), (565, 4564), (652, 3955), (791, 3260), (815, 3164), (1130, 2282), (1141, 2260), (1582, 1630)]