208540220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{25247}}^1$

素因数の和:25322

約数の個数: 48

約数和(自身を含む): 508999680

約数和(自身を除く): 300459460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 4130, 8260, 25247, 50494, 100988, 126235, 176729, 252470, 353458, 504940, 706916, 883645, 1489573, 1767290, 2979146, 3534580, 5958292, 7447865, 10427011, 14895730, 20854022, 29791460, 41708044, 52135055, 104270110, 208540220]

約数ペア:

[(1, 208540220), (2, 104270110), (4, 52135055), (5, 41708044), (7, 29791460), (10, 20854022), (14, 14895730), (20, 10427011), (28, 7447865), (35, 5958292), (59, 3534580), (70, 2979146), (118, 1767290), (140, 1489573), (236, 883645), (295, 706916), (413, 504940), (590, 353458), (826, 252470), (1180, 176729), (1652, 126235), (2065, 100988), (4130, 50494), (8260, 25247)]