7712840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 18414000

約数和(自身を除く): 10701160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 109, 116, 122, 145, 218, 232, 244, 290, 305, 436, 488, 545, 580, 610, 872, 1090, 1160, 1220, 1769, 2180, 2440, 3161, 3538, 4360, 6322, 6649, 7076, 8845, 12644, 13298, 14152, 15805, 17690, 25288, 26596, 31610, 33245, 35380, 53192, 63220, 66490, 70760, 126440, 132980, 192821, 265960, 385642, 771284, 964105, 1542568, 1928210, 3856420, 7712840]

約数ペア:

[(1, 7712840), (2, 3856420), (4, 1928210), (5, 1542568), (8, 964105), (10, 771284), (20, 385642), (29, 265960), (40, 192821), (58, 132980), (61, 126440), (109, 70760), (116, 66490), (122, 63220), (145, 53192), (218, 35380), (232, 33245), (244, 31610), (290, 26596), (305, 25288), (436, 17690), (488, 15805), (545, 14152), (580, 13298), (610, 12644), (872, 8845), (1090, 7076), (1160, 6649), (1220, 6322), (1769, 4360), (2180, 3538), (2440, 3161)]