166524100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 371226240

約数和(自身を除く): 204702140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 107, 158, 197, 214, 316, 394, 395, 428, 535, 788, 790, 985, 1070, 1580, 1970, 1975, 2140, 2675, 3940, 3950, 4925, 5350, 7900, 8453, 9850, 10700, 15563, 16906, 19700, 21079, 31126, 33812, 42158, 42265, 62252, 77815, 84316, 84530, 105395, 155630, 169060, 210790, 211325, 311260, 389075, 421580, 422650, 526975, 778150, 845300, 1053950, 1556300, 1665241, 2107900, 3330482, 6660964, 8326205, 16652410, 33304820, 41631025, 83262050, 166524100]

約数ペア:

[(1, 166524100), (2, 83262050), (4, 41631025), (5, 33304820), (10, 16652410), (20, 8326205), (25, 6660964), (50, 3330482), (79, 2107900), (100, 1665241), (107, 1556300), (158, 1053950), (197, 845300), (214, 778150), (316, 526975), (394, 422650), (395, 421580), (428, 389075), (535, 311260), (788, 211325), (790, 210790), (985, 169060), (1070, 155630), (1580, 105395), (1970, 84530), (1975, 84316), (2140, 77815), (2675, 62252), (3940, 42265), (3950, 42158), (4925, 33812), (5350, 31126), (7900, 21079), (8453, 19700), (9850, 16906), (10700, 15563)]