210964760

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 486172800

約数和(自身を除く): 275208040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 101, 158, 202, 316, 395, 404, 505, 632, 661, 790, 808, 1010, 1322, 1580, 2020, 2644, 3160, 3305, 4040, 5288, 6610, 7979, 13220, 15958, 26440, 31916, 39895, 52219, 63832, 66761, 79790, 104438, 133522, 159580, 208876, 261095, 267044, 319160, 333805, 417752, 522190, 534088, 667610, 1044380, 1335220, 2088760, 2670440, 5274119, 10548238, 21096476, 26370595, 42192952, 52741190, 105482380, 210964760]

約数ペア:

[(1, 210964760), (2, 105482380), (4, 52741190), (5, 42192952), (8, 26370595), (10, 21096476), (20, 10548238), (40, 5274119), (79, 2670440), (101, 2088760), (158, 1335220), (202, 1044380), (316, 667610), (395, 534088), (404, 522190), (505, 417752), (632, 333805), (661, 319160), (790, 267044), (808, 261095), (1010, 208876), (1322, 159580), (1580, 133522), (2020, 104438), (2644, 79790), (3160, 66761), (3305, 63832), (4040, 52219), (5288, 39895), (6610, 31916), (7979, 26440), (13220, 15958)]