2758552775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2749}}^1$

素因数の和:2900

約数の個数: 48

約数和(自身を含む): 3866940000

約数和(自身を除く): 1108387225

約数列:

[1, 5, 11, 25, 41, 55, 89, 205, 275, 445, 451, 979, 1025, 2225, 2255, 2749, 3649, 4895, 11275, 13745, 18245, 24475, 30239, 40139, 68725, 91225, 112709, 151195, 200695, 244661, 563545, 755975, 1003475, 1223305, 1239799, 2691271, 2817725, 6116525, 6198995, 10031101, 13456355, 30994975, 50155505, 67281775, 110342111, 250777525, 551710555, 2758552775]

約数ペア:

[(1, 2758552775), (5, 551710555), (11, 250777525), (25, 110342111), (41, 67281775), (55, 50155505), (89, 30994975), (205, 13456355), (275, 10031101), (445, 6198995), (451, 6116525), (979, 2817725), (1025, 2691271), (2225, 1239799), (2255, 1223305), (2749, 1003475), (3649, 755975), (4895, 563545), (11275, 244661), (13745, 200695), (18245, 151195), (24475, 112709), (30239, 91225), (40139, 68725)]