208575220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{15359}}^1$

素因数の和:15472

約数の個数: 48

約数和(自身を含む): 505774080

約数和(自身を除く): 297198860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 13580, 15359, 30718, 61436, 76795, 107513, 153590, 215026, 307180, 430052, 537565, 1075130, 1489823, 2150260, 2979646, 5959292, 7449115, 10428761, 14898230, 20857522, 29796460, 41715044, 52143805, 104287610, 208575220]

約数ペア:

[(1, 208575220), (2, 104287610), (4, 52143805), (5, 41715044), (7, 29796460), (10, 20857522), (14, 14898230), (20, 10428761), (28, 7449115), (35, 5959292), (70, 2979646), (97, 2150260), (140, 1489823), (194, 1075130), (388, 537565), (485, 430052), (679, 307180), (970, 215026), (1358, 153590), (1940, 107513), (2716, 76795), (3395, 61436), (6790, 30718), (13580, 15359)]