2156357930

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1543}}^1$

素因数の和:1719

約数の個数: 64

約数和(自身を含む): 4135449600

約数和(自身を除く): 1979091670

約数列:

[1, 2, 5, 10, 29, 58, 61, 79, 122, 145, 158, 290, 305, 395, 610, 790, 1543, 1769, 2291, 3086, 3538, 4582, 4819, 7715, 8845, 9638, 11455, 15430, 17690, 22910, 24095, 44747, 48190, 89494, 94123, 121897, 139751, 188246, 223735, 243794, 279502, 447470, 470615, 609485, 698755, 941230, 1218970, 1397510, 2729567, 3535013, 5459134, 7070026, 7435717, 13647835, 14871434, 17675065, 27295670, 35350130, 37178585, 74357170, 215635793, 431271586, 1078178965, 2156357930]

約数ペア:

[(1, 2156357930), (2, 1078178965), (5, 431271586), (10, 215635793), (29, 74357170), (58, 37178585), (61, 35350130), (79, 27295670), (122, 17675065), (145, 14871434), (158, 13647835), (290, 7435717), (305, 7070026), (395, 5459134), (610, 3535013), (790, 2729567), (1543, 1397510), (1769, 1218970), (2291, 941230), (3086, 698755), (3538, 609485), (4582, 470615), (4819, 447470), (7715, 279502), (8845, 243794), (9638, 223735), (11455, 188246), (15430, 139751), (17690, 121897), (22910, 94123), (24095, 89494), (44747, 48190)]