203429345

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 304128000

約数和(自身を除く): 100698655

約数列:

[1, 5, 7, 29, 35, 43, 59, 79, 145, 203, 215, 295, 301, 395, 413, 553, 1015, 1247, 1505, 1711, 2065, 2291, 2537, 2765, 3397, 4661, 6235, 8555, 8729, 11455, 11977, 12685, 16037, 16985, 17759, 23305, 23779, 32627, 43645, 59885, 73573, 80185, 88795, 98513, 118895, 135169, 163135, 200423, 367865, 492565, 515011, 675845, 689591, 946183, 1002115, 1402961, 2575055, 3447955, 4730915, 5812267, 7014805, 29061335, 40685869, 203429345]

約数ペア:

[(1, 203429345), (5, 40685869), (7, 29061335), (29, 7014805), (35, 5812267), (43, 4730915), (59, 3447955), (79, 2575055), (145, 1402961), (203, 1002115), (215, 946183), (295, 689591), (301, 675845), (395, 515011), (413, 492565), (553, 367865), (1015, 200423), (1247, 163135), (1505, 135169), (1711, 118895), (2065, 98513), (2291, 88795), (2537, 80185), (2765, 73573), (3397, 59885), (4661, 43645), (6235, 32627), (8555, 23779), (8729, 23305), (11455, 17759), (11977, 16985), (12685, 16037)]