30940100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 71245440

約数和(自身を除く): 40305340

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 47, 50, 58, 94, 100, 116, 145, 188, 227, 235, 290, 454, 470, 580, 725, 908, 940, 1135, 1175, 1363, 1450, 2270, 2350, 2726, 2900, 4540, 4700, 5452, 5675, 6583, 6815, 10669, 11350, 13166, 13630, 21338, 22700, 26332, 27260, 32915, 34075, 42676, 53345, 65830, 68150, 106690, 131660, 136300, 164575, 213380, 266725, 309401, 329150, 533450, 618802, 658300, 1066900, 1237604, 1547005, 3094010, 6188020, 7735025, 15470050, 30940100]

約数ペア:

[(1, 30940100), (2, 15470050), (4, 7735025), (5, 6188020), (10, 3094010), (20, 1547005), (25, 1237604), (29, 1066900), (47, 658300), (50, 618802), (58, 533450), (94, 329150), (100, 309401), (116, 266725), (145, 213380), (188, 164575), (227, 136300), (235, 131660), (290, 106690), (454, 68150), (470, 65830), (580, 53345), (725, 42676), (908, 34075), (940, 32915), (1135, 27260), (1175, 26332), (1363, 22700), (1450, 21338), (2270, 13630), (2350, 13166), (2726, 11350), (2900, 10669), (4540, 6815), (4700, 6583), (5452, 5675)]