3856420

素因数分解:

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

素因数の和:208

約数の個数: 48

約数和(自身を含む): 8593200

約数和(自身を除く): 4736780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 109, 116, 122, 145, 218, 244, 290, 305, 436, 545, 580, 610, 1090, 1220, 1769, 2180, 3161, 3538, 6322, 6649, 7076, 8845, 12644, 13298, 15805, 17690, 26596, 31610, 33245, 35380, 63220, 66490, 132980, 192821, 385642, 771284, 964105, 1928210, 3856420]

約数ペア:

[(1, 3856420), (2, 1928210), (4, 964105), (5, 771284), (10, 385642), (20, 192821), (29, 132980), (58, 66490), (61, 63220), (109, 35380), (116, 33245), (122, 31610), (145, 26596), (218, 17690), (244, 15805), (290, 13298), (305, 12644), (436, 8845), (545, 7076), (580, 6649), (610, 6322), (1090, 3538), (1220, 3161), (1769, 2180)]