198305940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1823}}^1$

素因数の和:1886

約数の個数: 144

約数和(自身を含む): 663731712

約数和(自身を除く): 465425772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 49, 60, 70, 74, 84, 98, 105, 111, 140, 147, 148, 185, 196, 210, 222, 245, 259, 294, 370, 420, 444, 490, 518, 555, 588, 735, 740, 777, 980, 1036, 1110, 1295, 1470, 1554, 1813, 1823, 2220, 2590, 2940, 3108, 3626, 3646, 3885, 5180, 5439, 5469, 7252, 7292, 7770, 9065, 9115, 10878, 10938, 12761, 15540, 18130, 18230, 21756, 21876, 25522, 27195, 27345, 36260, 36460, 38283, 51044, 54390, 54690, 63805, 67451, 76566, 89327, 108780, 109380, 127610, 134902, 153132, 178654, 191415, 202353, 255220, 267981, 269804, 337255, 357308, 382830, 404706, 446635, 472157, 535962, 674510, 765660, 809412, 893270, 944314, 1011765, 1071924, 1339905, 1349020, 1416471, 1786540, 1888628, 2023530, 2360785, 2679810, 2832942, 3305099, 4047060, 4721570, 5359620, 5665884, 6610198, 7082355, 9443140, 9915297, 13220396, 14164710, 16525495, 19830594, 28329420, 33050990, 39661188, 49576485, 66101980, 99152970, 198305940]

約数ペア:

[(1, 198305940), (2, 99152970), (3, 66101980), (4, 49576485), (5, 39661188), (6, 33050990), (7, 28329420), (10, 19830594), (12, 16525495), (14, 14164710), (15, 13220396), (20, 9915297), (21, 9443140), (28, 7082355), (30, 6610198), (35, 5665884), (37, 5359620), (42, 4721570), (49, 4047060), (60, 3305099), (70, 2832942), (74, 2679810), (84, 2360785), (98, 2023530), (105, 1888628), (111, 1786540), (140, 1416471), (147, 1349020), (148, 1339905), (185, 1071924), (196, 1011765), (210, 944314), (222, 893270), (245, 809412), (259, 765660), (294, 674510), (370, 535962), (420, 472157), (444, 446635), (490, 404706), (518, 382830), (555, 357308), (588, 337255), (735, 269804), (740, 267981), (777, 255220), (980, 202353), (1036, 191415), (1110, 178654), (1295, 153132), (1470, 134902), (1554, 127610), (1813, 109380), (1823, 108780), (2220, 89327), (2590, 76566), (2940, 67451), (3108, 63805), (3626, 54690), (3646, 54390), (3885, 51044), (5180, 38283), (5439, 36460), (5469, 36260), (7252, 27345), (7292, 27195), (7770, 25522), (9065, 21876), (9115, 21756), (10878, 18230), (10938, 18130), (12761, 15540)]