212220190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2309}}^1$

素因数の和:2437

約数の個数: 64

約数和(自身を含む): 475009920

約数和(自身を除く): 262789730

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 101, 130, 182, 202, 455, 505, 707, 910, 1010, 1313, 1414, 2309, 2626, 3535, 4618, 6565, 7070, 9191, 11545, 13130, 16163, 18382, 23090, 30017, 32326, 45955, 60034, 80815, 91910, 150085, 161630, 210119, 233209, 300170, 420238, 466418, 1050595, 1166045, 1632463, 2101190, 2332090, 3031717, 3264926, 6063434, 8162315, 15158585, 16324630, 21222019, 30317170, 42444038, 106110095, 212220190]

約数ペア:

[(1, 212220190), (2, 106110095), (5, 42444038), (7, 30317170), (10, 21222019), (13, 16324630), (14, 15158585), (26, 8162315), (35, 6063434), (65, 3264926), (70, 3031717), (91, 2332090), (101, 2101190), (130, 1632463), (182, 1166045), (202, 1050595), (455, 466418), (505, 420238), (707, 300170), (910, 233209), (1010, 210119), (1313, 161630), (1414, 150085), (2309, 91910), (2626, 80815), (3535, 60034), (4618, 45955), (6565, 32326), (7070, 30017), (9191, 23090), (11545, 18382), (13130, 16163)]