1900297984

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{12149}}^1$

素因数の和:12225

約数の個数: 72

約数和(自身を含む): 4172212800

約数和(自身を除く): 2271914816

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 64, 94, 104, 128, 188, 208, 256, 376, 416, 611, 752, 832, 1222, 1504, 1664, 2444, 3008, 3328, 4888, 6016, 9776, 12032, 12149, 19552, 24298, 39104, 48596, 78208, 97192, 156416, 157937, 194384, 315874, 388768, 571003, 631748, 777536, 1142006, 1263496, 1555072, 2284012, 2526992, 3110144, 4568024, 5053984, 7423039, 9136048, 10107968, 14846078, 18272096, 20215936, 29692156, 36544192, 40431872, 59384312, 73088384, 118768624, 146176768, 237537248, 475074496, 950148992, 1900297984]

約数ペア:

[(1, 1900297984), (2, 950148992), (4, 475074496), (8, 237537248), (13, 146176768), (16, 118768624), (26, 73088384), (32, 59384312), (47, 40431872), (52, 36544192), (64, 29692156), (94, 20215936), (104, 18272096), (128, 14846078), (188, 10107968), (208, 9136048), (256, 7423039), (376, 5053984), (416, 4568024), (611, 3110144), (752, 2526992), (832, 2284012), (1222, 1555072), (1504, 1263496), (1664, 1142006), (2444, 777536), (3008, 631748), (3328, 571003), (4888, 388768), (6016, 315874), (9776, 194384), (12032, 157937), (12149, 156416), (19552, 97192), (24298, 78208), (39104, 48596)]