1888890880

素因数分解:

$2^{12}\times 5^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:797

約数の個数: 104

約数和(自身を含む): 4570578000

約数和(自身を除く): 2681687120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 256, 298, 320, 512, 596, 619, 640, 745, 1024, 1192, 1238, 1280, 1490, 2048, 2384, 2476, 2560, 2980, 3095, 4096, 4768, 4952, 5120, 5960, 6190, 9536, 9904, 10240, 11920, 12380, 19072, 19808, 20480, 23840, 24760, 38144, 39616, 47680, 49520, 76288, 79232, 92231, 95360, 99040, 152576, 158464, 184462, 190720, 198080, 305152, 316928, 368924, 381440, 396160, 461155, 610304, 633856, 737848, 762880, 792320, 922310, 1267712, 1475696, 1525760, 1584640, 1844620, 2535424, 2951392, 3051520, 3169280, 3689240, 5902784, 6338560, 7378480, 11805568, 12677120, 14756960, 23611136, 29513920, 47222272, 59027840, 94444544, 118055680, 188889088, 236111360, 377778176, 472222720, 944445440, 1888890880]

約数ペア:

[(1, 1888890880), (2, 944445440), (4, 472222720), (5, 377778176), (8, 236111360), (10, 188889088), (16, 118055680), (20, 94444544), (32, 59027840), (40, 47222272), (64, 29513920), (80, 23611136), (128, 14756960), (149, 12677120), (160, 11805568), (256, 7378480), (298, 6338560), (320, 5902784), (512, 3689240), (596, 3169280), (619, 3051520), (640, 2951392), (745, 2535424), (1024, 1844620), (1192, 1584640), (1238, 1525760), (1280, 1475696), (1490, 1267712), (2048, 922310), (2384, 792320), (2476, 762880), (2560, 737848), (2980, 633856), (3095, 610304), (4096, 461155), (4768, 396160), (4952, 381440), (5120, 368924), (5960, 316928), (6190, 305152), (9536, 198080), (9904, 190720), (10240, 184462), (11920, 158464), (12380, 152576), (19072, 99040), (19808, 95360), (20480, 92231), (23840, 79232), (24760, 76288), (38144, 49520), (39616, 47680)]