28942750520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{409027}}^1$

素因数の和:409128

約数の個数: 64

約数和(自身を含む): 68471287200

約数和(自身を除く): 39528536680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 488, 580, 610, 1160, 1220, 1769, 2440, 3538, 7076, 8845, 14152, 17690, 35380, 70760, 409027, 818054, 1636108, 2045135, 3272216, 4090270, 8180540, 11861783, 16361080, 23723566, 24950647, 47447132, 49901294, 59308915, 94894264, 99802588, 118617830, 124753235, 199605176, 237235660, 249506470, 474471320, 499012940, 723568763, 998025880, 1447137526, 2894275052, 3617843815, 5788550104, 7235687630, 14471375260, 28942750520]

約数ペア:

[(1, 28942750520), (2, 14471375260), (4, 7235687630), (5, 5788550104), (8, 3617843815), (10, 2894275052), (20, 1447137526), (29, 998025880), (40, 723568763), (58, 499012940), (61, 474471320), (116, 249506470), (122, 237235660), (145, 199605176), (232, 124753235), (244, 118617830), (290, 99802588), (305, 94894264), (488, 59308915), (580, 49901294), (610, 47447132), (1160, 24950647), (1220, 23723566), (1769, 16361080), (2440, 11861783), (3538, 8180540), (7076, 4090270), (8845, 3272216), (14152, 2045135), (17690, 1636108), (35380, 818054), (70760, 409027)]