199401580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10709}}^1$

素因数の和:10751

約数の個数: 72

約数和(自身を含む): 512794800

約数和(自身を除く): 313393220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 10709, 18620, 21418, 42836, 53545, 74963, 107090, 149926, 203471, 214180, 299852, 374815, 406942, 524741, 749630, 813884, 1017355, 1049482, 1424297, 1499260, 2034710, 2098964, 2623705, 2848594, 4069420, 5247410, 5697188, 7121485, 9970079, 10494820, 14242970, 19940158, 28485940, 39880316, 49850395, 99700790, 199401580]

約数ペア:

[(1, 199401580), (2, 99700790), (4, 49850395), (5, 39880316), (7, 28485940), (10, 19940158), (14, 14242970), (19, 10494820), (20, 9970079), (28, 7121485), (35, 5697188), (38, 5247410), (49, 4069420), (70, 2848594), (76, 2623705), (95, 2098964), (98, 2034710), (133, 1499260), (140, 1424297), (190, 1049482), (196, 1017355), (245, 813884), (266, 749630), (380, 524741), (490, 406942), (532, 374815), (665, 299852), (931, 214180), (980, 203471), (1330, 149926), (1862, 107090), (2660, 74963), (3724, 53545), (4655, 42836), (9310, 21418), (10709, 18620)]