256293880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{2027}}^1$

素因数の和:2176

約数の個数: 64

約数和(自身を含む): 602316000

約数和(自身を除く): 346022120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 109, 116, 145, 218, 232, 290, 436, 545, 580, 872, 1090, 1160, 2027, 2180, 3161, 4054, 4360, 6322, 8108, 10135, 12644, 15805, 16216, 20270, 25288, 31610, 40540, 58783, 63220, 81080, 117566, 126440, 220943, 235132, 293915, 441886, 470264, 587830, 883772, 1104715, 1175660, 1767544, 2209430, 2351320, 4418860, 6407347, 8837720, 12814694, 25629388, 32036735, 51258776, 64073470, 128146940, 256293880]

約数ペア:

[(1, 256293880), (2, 128146940), (4, 64073470), (5, 51258776), (8, 32036735), (10, 25629388), (20, 12814694), (29, 8837720), (40, 6407347), (58, 4418860), (109, 2351320), (116, 2209430), (145, 1767544), (218, 1175660), (232, 1104715), (290, 883772), (436, 587830), (545, 470264), (580, 441886), (872, 293915), (1090, 235132), (1160, 220943), (2027, 126440), (2180, 117566), (3161, 81080), (4054, 63220), (4360, 58783), (6322, 40540), (8108, 31610), (10135, 25288), (12644, 20270), (15805, 16216)]